Exodus 12:20

12:20 You will not eat anything made with yeast; in all the places where you live you must eat bread made without yeast.’”

Exodus 23:18

23:18 “You must not offer the blood of my sacrifice with bread containing yeast; the fat of my festal sacrifice must not remain until morning.

Deuteronomy 16:3

16:3 You must not eat any yeast with it; for seven days you must eat bread made without yeast, symbolic of affliction, for you came out of Egypt hurriedly. You must do this so you will remember for the rest of your life the day you came out of the land of Egypt.

Deuteronomy 16:1

The Passover-Unleavened Bread Festival

16:1 Observe the month Abib and keep the Passover to the Lord your God, for in that month he brought you out of Egypt by night.

Colossians 1:7-8

1:7 You learned the gospel from Epaphras, our dear fellow slave – a faithful minister of Christ on our behalf – 1:8 who also told us of your love in the Spirit.