Acts 7:22-24

Common(i) 22 Moses was educated 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 brethren, the sons of Israel. 24 And when he saw one of them being treated unjustly, he defended him and avenged the oppressed by striking down the Egyptian.