Acts 7:21-24

²¹and when he was exposed, Pharaoh's daughter adopted him and brought him up as her own son.

²²And Moses was instructed in all the wisdom of the Egyptians, and he was mighty in his words and deeds.

²³“When he was forty years old, it came into his heart to visit his brothers, the children of Israel.

²⁴And seeing one of them being wronged, he defended the oppressed man and avenged him by striking down the Egyptian.