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 24:15

24:15 You must pay his wage that very day before the sun sets, for he is poor and his life depends on it. Otherwise he will cry out to the Lord against you, and you will be guilty of sin.