Exodus 3:19-21 New English Translation (NET Bible)
19 But I know that the king of Egypt will not let you go,[a] not even under force.[b] 20 So I will extend my hand[c] and strike Egypt with all my wonders[d] that I will do among them, and after that he will release you.[e]
Exodus 3:19-21 New International Version (NIV)
19 But I know that the king of Egypt will not let you go unless a mighty hand compels him. 20 So I will stretch out my hand and strike the Egyptians with all the wonders that I will perform among them. After that, he will let you go.
21 “And I will make the Egyptians favorably disposed toward this people, so that when you leave you will not go empty-handed.