וַיֹּ֣אמֶר דָּוִ֔ד לֹֽא־תַעֲשׂ֥וּ כֵ֖ן אֶחָ֑י אֵ֠ת אֲשֶׁר־נָתַ֨ן יְהוָ֥ה לָ֙נוּ֙ וַיִּשְׁמֹ֣ר אֹתָ֔נוּ וַיִּתֵּ֗ן אֶֽת־הַגְּד֛וּד הַבָּ֥א עָלֵ֖ינוּ בְּיָדֵֽנוּ׃
Then said David: ‘Ye shall not do so, my brethren, with that which the LORD hath given unto us, who hath preserved us, and delivered the troop that came against us into our hand.
Read halakhic rulings (Jewish law) on I Samuel 30:23: and classical halakhic sources.