Deuteronomy 24:20-21 NIV

20 When you beat the olives from your trees, do not go over the branches a second time.1 Leave what remains for the alien, the fatherless and the widow.

References for Deuteronomy 24:20

21 When you harvest the grapes in your vineyard, do not go over the vines again. Leave what remains for the alien, the fatherless and the widow.