Deuteronomy 24:20-22

New Revised Standard Version Catholic Edition

²⁰ When you beat your olive trees, do not strip what is left; it shall be for the alien, the orphan, and the widow.

²¹ When you gather the grapes of your vineyard, do not glean what is left; it shall be for the alien, the orphan, and the widow. ²² Remember that you were a slave in the land of Egypt; therefore I am commanding you to do this.