וַיֹּ֨אמֶר דָּוִ֜ד לַאֲחִימֶ֣לֶךְ הַכֹּהֵ֗ן הַמֶּלֶךְ֮ צִוַּ֣נִי דָבָר֒ וַיֹּ֣אמֶר אֵלַ֗י אִ֣ישׁ אַל־יֵ֧דַע מְא֛וּמָה אֶת־הַדָּבָ֛ר אֲשֶׁר־אָנֹכִ֥י שֹׁלֵֽחֲךָ֖ וַאֲשֶׁ֣ר צִוִּיתִ֑ךָ וְאֶת־הַנְּעָרִ֣ים יוֹדַ֔עְתִּי אֶל־מְק֥וֹם פְּלֹנִ֖י אַלְמוֹנִֽי׃
And David said unto Ahimelech the priest: ‘The king hath commanded me a business, and hath said unto me: Let no man know any thing of the business whereabout I send thee, and what I have commanded thee; and the young men have I appointed to such and such a place.
Read halakhic rulings (Jewish law) on I Samuel 21:3 from the Mishneh Torah and classical halakhic sources, free online.