The Holy Ghost makes the best comment upon this. Acts 7:35-36.
Related Commentaries of Exodus 3:9
Exodus 3:9-10
9 Now therefore, behold, the cry of the children of Israel is come unto me: and I have also seen the oppression wherewith the Egyptians oppress them.
10 Come now therefore, and I will send thee unto Pharaoh, that thou mayest bring forth my people the children of Israel out of Egypt.