Exodus 12:24

12:24 You must observe this event as an ordinance for you and for your children forever.

Exodus 16:28

16:28 So the Lord said to Moses, “How long do you refuse to obey my commandments and my instructions?

Exodus 23:20

The Angel of the Presence

23:20 “I am going to send an angel before you to protect you as you journey and to bring you into the place that I have prepared.

Exodus 31:16

31:16 The Israelites must keep the Sabbath by observing the Sabbath throughout their generations as a perpetual covenant.