And arbitrate for the many peoples,
And they shall beat their swords into plowshares
And their spears into pruning hooks:
Nation shall not take up
Sword against nation;
They shall never again know war.
“This is the word of GOD to Zerubbabel: Not by might, nor by power, but by My spirit —said GOD of Hosts.
(24) Humans were driven out; and east of the garden of Eden were stationed the cherubim and the fiery ever-turning sword, to guard the way to the tree of life.
(א) וישכן מקדם לגן עדן את הכרובים ואת להט החרב המתהפכת. כרובים מלאכים, שיהיו שומרים את הדרך שלא יטעה אדם ללכת לשם, והניח שם להט החרב המתהפכת, וכשיראה אדם הלהט יפחד ויחזור לו:
...there was a flaming, spinning sword. When human beings would see it burning and spinning they would be fearful and turn back (from trying to enter the forbidden Garden.)
(1) תובל קין TUBAL-CAIN — He refined Cain’s handicraft. The word תובל is connected in meaning with תבלין (spices which give a refined and improved taste to food); he refined and improved the work of Cain by providing weapons (of bronze and iron) for murderers (Genesis Rabbah 23:3).
(ג) בחרבי ובקשתי. כְּשֶׁהָרְגוּ שִׁמְעוֹן וְלֵוִי אֶת אַנְשֵׁי שְׁכֶם נִתְכַּנְּסוּ כָּל סְבִיבוֹתֵיהֶם לְהִזְדַּוֵּג לָהֶם, וְחָגַר יַעֲקֹב כְּלֵי מִלְחָמָה כְּנֶגְדָּן
(3) בחרבי ובקשתי WITH MY SWORD AND WITH MY BOW — When Simeon and Levi slew the inhabitants of Shechem all the surrounding nations gathered together to join in battle against them and Jacob girded on his weapons to war against them (cf. Genesis Rabbah 80:10)
(א) לַכֹּ֖ל זְמָ֑ן וְעֵ֥ת לְכׇל־חֵ֖פֶץ תַּ֥חַת הַשָּׁמָֽיִם׃... (ח) עֵ֤ת לֶֽאֱהֹב֙ וְעֵ֣ת לִשְׂנֹ֔א עֵ֥ת מִלְחָמָ֖ה וְעֵ֥ת שָׁלֽוֹם׃ {ס}
(1) A season is set for everything, a time for every experience under heaven:... (8) A time for loving and a time for hating;
A time for war and a time for peace.
(יג) וַיִּחַר אַף אֱלֹהִים כִּי הוֹלֵךְ הוּא וַיִּתְיַצֵּב מַלְאַךְ ה' (במדבר כב, כב), מַלְאָךְ שֶׁל רַחֲמִים הָיָה וְנַעֲשָׂה לוֹ לְשָׂטָן. (במדבר כב, כב): וּשְׁנֵי נְעָרָיו עִמּוֹ, זוֹ דֶּרֶךְ אֶרֶץ שֶׁהַיּוֹצֵא לַדֶּרֶךְ צָרִיךְ שְׁנַיִם לְשַׁמְּשׁוֹ וְחוֹזְרִים וּמְשַׁמְּשִׁין זֶה לָזֶה. (במדבר כב, כג): וַתֵּרֶא הָאָתוֹן אֶת מַלְאַךְ ה', וְכִי לֹא הָיָה יָכוֹל הַמַּלְאָךְ לִנְשׂף בּוֹ וְיוֹצִיא רוּחוֹ אֶלָּא אִם כֵּן שָׁלַף חַרְבּוֹ, וַהֲרֵי כְּתִיב בְּסַנְחֵרִיב (ישעיה לז, לו): וַיֵּצֵא מַלְאַךְ ה' וַיַּכֶּה בְּמַחֲנֵה אַשּׁוּר, וּכְתִיב (ישעיה מ, כד): וְגַם נָשַׁף בָּהֶם, חַיֵּיהֶם, אֶלָּא כָּךְ אָמַר לוֹ: הַפֶּה נִתַּן לְיַעֲקֹב, שֶׁנֶּאֱמַר (בראשית כז, כב): הַקֹּל קוֹל יַעֲקֹב וְהַיָּדַיִם יְדֵי עֵשָׂו, וּכְתִיב (בראשית כז, מ): וְעַל חַרְבְּךָ תִחְיֶה. וְהָאֻמּוֹת כֻּלָּם בַּחֶרֶב חַיֵּיהֶם, וְאַתָּה תַּחְלִיף [אמונת]) אֻמָּנוּתְךָ וְתָבוֹא עֲלֵיהֶם בְּשֶׁלָּהֶן, אַף אֲנִי אָבוֹא עָלֶיךָ בְּשֶׁלְּךָ, לְכָךְ כְּתִיב (במדבר כב, כג): וְחַרְבּוֹ שְׁלוּפָה בְּיָדוֹ.
(13) 13 (Numb. 22:22) “But God's anger was kindled because he was going, and the angel of the Lord took a stand [in the road as his adversary (satan)]”: He was an angel of mercy, but to [Balaam] he had become an adversary (satan). (Numb. 22:22, cont.) “And two of his servant boys were with him”: This is customary for one going out on the road. It is necessary for two to attend him. Then in turn they attend each other. (Numb. 22:23) “Now the she-ass saw the angel of the Lord [and a sword was drawn in his hand]”: Was not the angel able to breathe on him and take away his spirit unless he drew his sword? And look at what is written about Sennacherib (in II Kings 19:35 = Is. 37:36 // II Chron. 32:21.), “the angel of the Lord went out and smote [one hundred and eighty-five thousand] in the camp of Assyria.” It is also written (in Is. 40:24), “he blows on them and they wither.” However, he said to him, “[Skill with] the mouth was given to Jacob, as stated (in Gen. 27:22), ‘The voice is the voice of Jacob, but the hands are the hands of Esau.’ And it is written (in Gen. 27:40), ‘Upon your sword shall you live.’ All the nations all live by the sword. Now you are trading off your craft and coming against them with their [craft]. I also am coming against you with your own [craft].” Hence it is written (in Numb. 22:23) “and a sword was drawn in his hand.”
(א) ה' איש מלחמה ה' שמו, ר' יהודה אומר הרי זה מקרא עשיר במקומות הרבה מגיד שנגלה עליהם הקב"ה בכל כלי זיין נגלה עליהם כגבור חגור חרב שנאמר חגור חרבך על ירך גבור (תהלים מה), נגלה עליהם כפרש שנ' וירכב על כרוב ויעף וגו' (שם יח), נגלה עליהם בשריין וכובע כגבור שנ' וילבש צדקה כשריין וגו' (ישעיה נט), נגלה עליהם בחנית שנ' לנוגה ברק חניתך (חבקוק ג) ואומר והרק חנית וסגור וגו' (תהלים לה), נגלה עליהם בקשת ובחצים שנ' עריה תעור קשתך (חבקוק ג) ואומר וישלח חציו (תהילים י״ח:ט״ו), נגלה עליהם בצנה ומגן שנ' צנה וסוחרה אמתו וגו' (שם צא) ואו' החזק מגן וצנה (שם לה). שומע אני ולא שהוא צריך לאחת מכל המדות האלו ת"ל ה' איש מלחמה ה' שמו בשמו הוא נלחם ואינו צריך לאחת מכל המדות הללו אם כן למה הוצרך הכתוב לפרט כל אחד בפני עצמו אלא שאם נצרכו לישראל הקב"ה עושה להם מלחמות ואוי לאומות ........ת"ל ה' איש מלחמה מפני חבתכם ומפני קדושתכם אקדש שמי בכם שנ' כי אל אנכי ולא איש בקרבך קדוש אקדש שמי בכם (הושע יא): ה' שמו בשמו הוא נלחם ואינו צריך לאחת מכל מדות אלו וכן דוד אומר אתה בא אלי בחרב ובחנית ובכידון ואני בא אליך בשם ה' צבאות (שמ"א יז)
(1) (Exodus, Ibid. 3) "The L-rd is a man of war; the L rd is His name." R. Yehudah says: This is a verse that reflects many places. We are hereby apprised that He revealed Himself to them with implements of war. He revealed Himself to them as a warrior girded with a sword, viz. (Psalms 45:4) "Gird Your sword upon Your thigh, O Hero. He revealed Himself to them as a rider, viz. (Ibid. 18:11) "And He mounted a cherub and flew, etc." He revealed Himself to them in mail and helmet, viz. (Isaiah 59:17) "He donned righteousness as mail, and a helmet of salvation on His head." He revealed Himself to them with a spear, viz. (Habakkuk 3:11) "by the light of the flash of Your spear," and (Psalms 35:3) "and draw spear and (don) buckler, etc." He revealed Himself to them with bow and arrows, viz. (Habakkuk 3:9) "The nakedness of Your bow will be revealed," and (II Samuel 22:15) "And He sent forth arrows, etc." He revealed Himself to them with shield and buckler, viz. (Psalms 91:4) "Shield and bucker is His Your truth, and (Ibid. 35:2) "Take up buckler and shield." I might think that He (actually) required one of all these appurtenances. It is, therefore, written "The L-rd is a man of war; the L-rd is His name.
But is it not with His name that He wars, and not with any of these appurtenances? Why, then, need each of them be singled out? For if Israel requires it, He makes war for them.
........When Israel do not do His will, a decree goes forth from Him, viz. (Devarim 32:41) "When I whet the flash of My sword, etc." But if they repent, immediately he withdraws it, viz. (Ibid.) "My hand shall take hold of justice." I might think that He withdraws it in vain (i.e., unbloodied); it is, therefore, written (Ibid.) "I shall return (with that sword) vengeance to My adversaries."
....For it is written (Hoshea 11:9) "For I am G d, and not a man, etc." "the L-rd is His name": It is with His name that He wars, and He has no need of any of these (military) appurtenances. And thus did David say (I Samuel 17:95) "You come to me with sword, and spear, and javelin; but I come to you with the name of the L-rd of hosts, etc." And (Psalms 20:8) "These with chariots and these with horse, but we with the name of the L-rd our G d, etc."
(1) If the thief is seized while tunneling and (beaten to) death, there is no bloodguilt in that case.
מתני׳ הבא במחתרת נידון על שם סופו
MISHNA: A burglar who is found breaking into a house may be killed by the owner of the house with impunity (see Exodus 22:1). He too is sentenced on account of his ultimate end, as it is presumed that if the owner of the house would resist the burglar, the burglar would kill the owner of the house. ...
(ד) אֶחָד הַגַּג וְאֶחָד כָּל דָּבָר שֶׁיֵּשׁ בּוֹ סַכָּנָה וְרָאוּי שֶׁיִּכָּשֵׁל בָּהּ אָדָם וְיָמוּת. כְּגוֹן שֶׁהָיְתָה לוֹ בְּאֵר אוֹ בּוֹר בַּחֲצֵרוֹ בֵּין שֶׁיֵּשׁ בּוֹ מַיִם בֵּין שֶׁאֵין בּוֹ מַיִם חַיָּב לַעֲשׂוֹת חֻלְיָא גְּבוֹהָה עֲשָׂרָה טְפָחִים. אוֹ לַעֲשׂוֹת לָהּ כִּסּוּי כְּדֵי שֶׁלֹּא יִפּל בָּהּ אָדָם וְיָמוּת. וְכֵן כָּל מִכְשׁל שֶׁיֵּשׁ בּוֹ סַכָּנַת נְפָשׁוֹת מִצְוַת עֲשֵׂה לַהֲסִירוֹ וּלְהִשָּׁמֵר מִמֶּנּוּ וּלְהִזָּהֵר בַּדָּבָר יָפֶה יָפֶה. שֶׁנֶּאֱמַר (דברים ד ט) "הִשָּׁמֶר לְךָ וּשְׁמֹר נַפְשְׁךָ". וְאִם לֹא הֵסִיר וְהֵנִיחַ הַמִּכְשׁוֹלוֹת הַמְּבִיאִין לִידֵי סַכָּנָה בִּטֵּל מִצְוַת עֲשֵׂה וְעָבַר בְּ(דברים כב ח) "לֹא תָשִׂים דָּמִים":
(4) This requirement applies to a roof, and similarly, to any place that might present a danger and cause a person to stumble and die. For example, if a person has a well or a cistern in his courtyard, he must erect a sand wall ten handbreadths high around them or make a cover for them, so that a person will not fall in and die.
Similarly, it is a positive mitzvah to remove any obstacle that could pose a danger to life, and to be very careful regarding these matters, as Deuteronomy 4:9 states: "Beware for yourself; and guard your soul." If a person leaves a dangerous obstacle and does not remove it, he negates the observance of a positive commandment, and violates the negative commandment: "Do not cause blood to be spilled."
§ The Gemara discusses the matter itself, and it cites the complete baraita: With regard to these cities of refuge, one does not establish them in small settlements or in large cities; rather, one establishes them in intermediate-sized towns. And one establishes them only in a place where water is available, and if there is no water available there, as there is no spring accessible from the city, one brings them water by digging a canal. And one establishes them only in a place where there are markets, and one establishes them only in a populated place, where there are many people who regularly frequent the town. If the population of the surrounding areas diminishes, one adds to it. If the number of residents in the city of refuge itself diminishes, one brings new residents to the city, among them priests, Levites, and Israelites. The baraita continues: And one may not sell weapons or hunting tools in the cities of refuge, to prevent the blood redeemer from gaining access to means that he could exploit to kill the unintentional murderer who fled to the city of refuge; this is the statement of Rabbi Neḥemya. And the Rabbis permit selling weapons and hunting tools. And Rabbi Neḥemya and the Rabbis agree that one may not spread nets in the cities of refuge, nor may they braid [mafshilin] ropes in those cities, so that the foot of the blood redeemer will not be found there. If the blood redeemer were to enter the city of refuge to purchase nets or ropes, he is apt to encounter the murderer and kill him.
And furthermore, it is taught in a baraita: One may not sell weapons to gentiles or the auxiliary equipment of weapons, and one may not sharpen weapons for them. And one may not sell them stocks used for fastening the feet of prisoners, or iron neck chains [kolarin], or foot chains, or iron chains. This prohibition applies equally to both a gentile and a Kuti (Samaritan? known hostile?)
(ח) כְּשֵׁם שֶׁאֵין מוֹכְרִין לְעוֹבֵד כּוֹכָבִים דְּבָרִים שֶׁמַּחֲזִיקִין בָּהֶן יְדֵיהֶן לַעֲבוֹדַת כּוֹכָבִים כָּךְ אֵין מוֹכְרִין לָהֶם דָּבָר שֶׁיֵּשׁ בּוֹ נֵזֶק לָרַבִּים כְּגוֹן דֻּבִּים וַאֲרָיוֹת וּכְלֵי זַיִן וּכְבָלִים וְשַׁלְשְׁלָאוֹת. וְאֵין מַשְׁחִיזִין לָהֶם אֶת הַזַּיִן. וְכָל שֶׁאָסוּר לְמָכְרוֹ לְעוֹבֵד כּוֹכָבִים אָסוּר לְמָכְרוֹ לְיִשְׂרָאֵל הֶחָשׁוּד לִמְכֹּר לְעוֹבֵד כּוֹכָבִים. וְכֵן אָסוּר לִמְכֹּר כְּלֵי נֵזֶק לְיִשְׂרָאֵל לִסְטִים:
(8) Just as it is forbidden to sell idolaters articles that assist them in idol worship, it is forbidden to sell them articles that can cause harm to many people - for example, bears, lions, weapons, fetters, and chains. [Similarly,] it is forbidden to sharpen their weapons.
Everything that is forbidden to be sold to idolaters is also forbidden to be sold to a Jew who is suspect that he will sell to idolaters. Similarly, it is forbidden to sell dangerous objects to a Jewish thief.
(ה) אין מוכרים להם ולא לישראל החשוד למכור להם ולא לישראל לסטים דבר שיש בו נזק לרבים כגון דובים ואריות ולא שום כלי זיין ולא סדן (שטא"ק בלשון אשכנז כן פירש"י בעבודת כוכבים דף ט"ו) ולא כבלים וקולרין (פירוש מענין ויתנוהו בסוגר ויהבוהו בקולרין) (פירוש ברזל סביב הצואר) ושלשלאות של ברזל ואפילו עשת של ברזל ולא משחיזים להם כלי זיין ולא בונים להם מקום שדנים בו בני אדם:
(ה) הַרְבֵּה דְּבָרִים אָסְרוּ חֲכָמִים מִפְּנֵי שֶׁיֵּשׁ בָּהֶם סַכָּנַת נְפָשׁוֹת. וְכָל הָעוֹבֵר עֲלֵיהֶן וְאוֹמֵר הֲרֵינִי מְסַכֵּן בְּעַצְמִי וּמַה לַּאֲחֵרִים עָלַי בְּכָךְ אוֹ אֵינִי מַקְפִּיד בְּכָךְ מַכִּין אוֹתוֹ מַכַּת מַרְדּוּת:
(5) Our Sages forbade many matters because they involve a threat to life. Whenever a person transgresses these guidelines, saying: "I will risk my life, what does this matter to others," or "I am not careful about these things," he should be punished by stripes for rebelliousness.
(ח) וכן כל מכשול שיש בו סכנת נפשות מצות עשה להסירו ולהשמר ממנו ולהזהר בדבר יפה שנאמר השמר לך ושמור נפשך ואם לא הסיר והניח המכשולות המביאים לידי סכנה ביטל מצות עשה ועובר בלא תשים דמים:
(8) Likewise, one has a positive duty to remove and guard oneself of any life-threatening obstacle, as it is said "beware and guard your soul". If one did not removed said obstacles, one has cancelled a positive commandment and transgressed "do not bring bloodguilt" (Deut. 22:8).
(16) Do not deal basely with members of your people. Do not profit by the blood of your fellow ... You shall not hate your kinsfolk in your heart. Reprove your kin but incur no guilt on their account.
(ג) וחמשים. אֵין חֲמוּשִׁים אֶלָּא מְזֻיָּנִים;
(3) וחמשים — The word חמשים means provided with weapons (Mekhilta d'Rabbi Yishmael 13:19:2).
מתני׳ ואלו הן שמצילין אותן בנפשן הרודף אחר חבירו להרגו ואחר הזכר ואחר הנערה המאורסה אבל הרודף אחר בהמה והמחלל את השבת ועובד עבודת כוכבים אין מצילין אותן בנפשן: גמ׳ ת"ר מניין לרודף אחר חבירו להרגו שניתן להצילו בנפשו ת"ל (ויקרא יט, טז) לא תעמוד על דם רעך
MISHNA: And these are the ones who are saved from transgressing even at the cost of their lives; that is to say, these people may be killed so that they do not perform a transgression: One who pursues another to kill him, or pursues a male to sodomize him, or pursues a betrothed young woman to rape her. But with regard to one who pursues an animal to sodomize it, or one who seeks to desecrate Shabbat, or one who is going to engage in idol worship, they are not saved at the cost of their lives. Rather, they are forewarned not to transgress, and if they proceed to transgress after having been forewarned, they are brought to trial, and if they are found guilty, they are executed. GEMARA: The Sages taught in a baraita: From where is it derived that with regard to one who pursues another in order to kill him, the pursued party may be saved at the cost of the pursuer’s life? The verse states: “You shall not stand idly by the blood of another” (Leviticus 19:16); rather, you must save him from death.
(יג) וּכְשֵׁם שֶׁאָסְרוּ לִמְכֹּר לְעַכּוּ''ם כָּךְ אָסְרוּ לִמְכֹּר לְיִשְׂרָאֵל שֶׁמּוֹכֵר לְעַכּוּ''ם. וּמֻתָּר לִמְכֹּר כְּלֵי זַיִן לְחַיִל שֶׁל בְּנֵי הַמְּדִינָה מִפְּנֵי שֶׁהֵן מְגִנִּין עַל יִשְׂרָאֵל:
(13) Just as it is forbidden to sell such weaponry to a gentile, so too, is it forbidden to sell it to a Jew who will sell it to a gentile.
It is permitted to sell weapons to the soldiers of the country in which one lives, because they defend the Jewish inhabitants of the land.
(ח) כְּשֵׁם שֶׁאֵין מוֹכְרִין לְעוֹבֵד כּוֹכָבִים דְּבָרִים שֶׁמַּחֲזִיקִין בָּהֶן יְדֵיהֶן לַעֲבוֹדַת כּוֹכָבִים כָּךְ אֵין מוֹכְרִין לָהֶם דָּבָר שֶׁיֵּשׁ בּוֹ נֵזֶק לָרַבִּים כְּגוֹן דֻּבִּים וַאֲרָיוֹת וּכְלֵי זַיִן וּכְבָלִים וְשַׁלְשְׁלָאוֹת. וְאֵין מַשְׁחִיזִין לָהֶם אֶת הַזַּיִן. וְכָל שֶׁאָסוּר לְמָכְרוֹ לְעוֹבֵד כּוֹכָבִים אָסוּר לְמָכְרוֹ לְיִשְׂרָאֵל הֶחָשׁוּד לִמְכֹּר לְעוֹבֵד כּוֹכָבִים. וְכֵן אָסוּר לִמְכֹּר כְּלֵי נֵזֶק לְיִשְׂרָאֵל לִסְטִים:
(ט) הָיוּ יִשְׂרָאֵל שׁוֹכְנִים בֵּין הָעוֹבְדֵי כּוֹכָבִים וְכָרְתוּ לָהֶם בְּרִית מֻתָּר לִמְכֹּר כְּלֵי זַיִן לְעַבְדֵי הַמֶּלֶךְ וְגֵיסוֹתָיו מִפְּנֵי שֶׁעוֹשִׂים בָּהֶם מִלְחָמָה עִם צָרֵי הַמְּדִינָה לְהַצִּילָהּ וְנִמְצְאוּ מְגִנִּים עָלֵינוּ שֶׁהֲרֵי אָנוּ שְׁרוּיִין בְּתוֹכָם. עִיר שֶׁיֵּשׁ בָּהּ עֲבוֹדַת כּוֹכָבִים מֻתָּר לְהַלֵּךְ חוּצָה לָהּ וְאָסוּר לְהִכָּנֵס בְּתוֹכָהּ. הָיָה חוּצָה לָהּ עֲבוֹדַת כּוֹכָבִים מֻתָּר לְהַלֵּךְ בְּתוֹכָהּ:
(8) Just as it is forbidden to sell idolaters articles that assist them in idol worship, it is forbidden to sell them articles that can cause harm to many people - for example, bears, lions, weapons, fetters, and chains. [Similarly,] it is forbidden to sharpen their weapons.
Everything that is forbidden to be sold to idolaters is also forbidden to be sold to a Jew who is suspect that he will sell to idolaters. Similarly, it is forbidden to sell dangerous objects to a Jewish thief.
(9) When the Jews dwell among the idolaters and have established a covenant with them, it is permissible to sell weapons to the servants of the king and his to his soldiers, because they use them to wage war against the enemies of the country and to protect it. Thus, they also protect us, for we dwell among them.
(ב) רַבִּי חֲנִינָא סְגַן הַכֹּהֲנִים אוֹמֵר, הֱוֵי מִתְפַּלֵּל בִּשְׁלוֹמָהּ שֶׁל מַלְכוּת, שֶׁאִלְמָלֵא מוֹרָאָהּ, אִישׁ אֶת רֵעֵהוּ חַיִּים בְּלָעוֹ.
(2) Rabbi Hanina, the vice-high priest said: pray for the welfare of the government, for were it not for the fear it inspires, every man would swallow his neighbor alive.
הנראה בעיני כי היה למך איש חכם מאד בכל מלאכת מחשבת ולמד לבנו הבכור ענין המרעה כפי טבעי הבהמות ולמד את השני חכמת הנגון ולמד את השלישי ללטוש ולעשות חרבות ורמחים וחניתות וכל כלי המלחמה והיו נשיו מתפחדות שלא יענש כי הביא החרב והרציחה בעולם והנה הוא תופש מעשה אבותיו בידו כי הוא בן המרצח הראשון וברא משחית לחבל והוא אמר להן אני לא הרגתי איש לפצעים ולא ילד לחבורות כאשר עשה קין ולא יענישני השם אבל ישמרני מן ההריגה יותר ממנו והזכיר כן לומר כי לא בחרב וחנית יכול אדם להרוג בפצעים וחבורות שימית במיתה רעה יותר מן החרב ואין החרב גורם הרציחה ואין על העושו חטא
It appears to me that Lamech (a descendant of Kayin whose son invented iron tools) was a very smart man knowledgeable in all types of creative work. He taught his oldest son the art of shepherding animals, taught his second son knowledge about musical instruments, and taught his third son how to sharpen swords and spears and daggers and all other tools of war. His wives were concerned that he might be liable to face punishment from God for bringing swords and murder into the world, and because he was following in the bad footsteps of his ancestor Kayin, the first murderer, and he created sharp tools of war. He responded to them, "I haven't killed or wounded anyone like Kayin did, and therefore won't be punished by God. A man cannot murder or wound another person as a result of a weapon, as this person would just kill or would in another, worse manner if he did not have access to these weapons. Weapons don't cause murder, and therefore the inventor of weapons is not a sinner by virtue of what he created.
(ח) וכן כל מכשול שיש בו סכנת נפשות מצות עשה להסירו ולהשמר ממנו ולהזהר בדבר יפה שנאמר השמר לך ושמור נפשך ואם לא הסיר והניח המכשולות המביאים לידי סכנה ביטל מצות עשה ועובר בלא תשים דמים:
(8) Likewise, one has a positive duty to remove and guard oneself of any life-threatening obstacle, as it is said "beware and guard your soul". If one did not removed said obstacles, one has cancelled a positive commandment and transgressed "do not bring bloodguilt" (Deut. 22:8).
(י) כל העובר על דברים אלו וכיוצא בהם ואמר הריני מסכן בעצמי ומה לאחרים עלי בכך או איני מקפיד בכך מכין אותו מכת מרדות והנזהר מהם עליו תבא ברכת טוב :
Anyone who violates these precepts, or those like them, and says "I am hereby endangering myself, and I take responsibility for any danger that comes to others as a result of my actions", or "I am willfully disregarding the risks to others of my actions", such a person is lashed for their rebellious ways, and a persons who warns them not to do this actions will receive a good blessing.
