Deuteronomy 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 .

Remember that you were slaves in Egypt and the Lord your God redeemed you from there. That is why I command you to do this.

But thou shalt remember that thou wast a bondman in Egypt, and the Lord thy God redeemed thee thence: therefore I command thee to do this thing.