Deuteronomy 24:22 in the World English Bible
You shall remember that you were a slave in the land of Egypt. Therefore I command you to do this thing.
Context
21 When thou gatherest the grapes of thy vineyard, thou shalt not glean it afterward: it shall be for the stranger, for the fatherless, and for the widow.
22 And thou shalt remember that thou wast a bondman in the land of Egypt: therefore I command thee to do this thing.