Deuteronomy 24:19-21 NIV

19 When you are harvesting in your field and you overlook a sheaf, do not go back to get it.1 Leave it for the alien,2 the fatherless and the widow,3 so that the LORD your God may bless4 you in all the work of your hands.

References for Deuteronomy 24:19

20 When you beat the olives from your trees, do not go over the branches a second time.5 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.