"When you reap your harvest in your field, and forget a sheaf in the field, you shall not go back to get it; it shall be for the stranger, the fatherless, and the widow, that the LORD your God may bless you in all the work of your hands.
Deuteronomy 24:19
Surrounding context
24:18 But you shall remember that you were a slave in Egypt, and the LORD your God redeemed you from there; therefore I command you to do this thing.
24:19 "When you reap your harvest in your field, and forget a sheaf in the field, you shall not go back to get it; it shall be for the stranger, the fatherless, and the widow, that the LORD your God may bless you in all the work of your hands.
24:20 When you beat your olive trees, you shall not go over the boughs again; it shall be for the stranger, the fatherless, and the widow.