וְהָיָ֗ה כֶּֽאֱסֹף֙ קָצִ֣יר קָמָ֔ה וּזְרֹע֖וֹ שִׁבֳּלִ֣ים יִקְצ֑וֹר וְהָיָ֛ה כִּמְלַקֵּ֥ט שִׁבֳּלִ֖ים בְּעֵ֥מֶק רְפָאִֽים׃
And it shall be as when the harvestman gathereth the standing corn, And reapeth the ears with his arm; Yea, it shall be as when one gleaneth ears In the valley of Rephaim.
Read halakhic rulings (Jewish law) on Isaiah 17:5: and classical halakhic sources.