Exodus 9:14

9:14 For this time I will send all my plagues on your very self and on your servants and your people, so that you may know that there is no one like me in all the earth.

Exodus 18:8

18:8 Moses told his father-in-law all that the Lord had done to Pharaoh and to Egypt for Israel’s sake, and all the hardship that had come on them along the way, and how the Lord had delivered them.