Exodus 4:18 And Moses went and returned to Jethro his father in law, and said unto him, Let me go, I pray thee, and return unto my brethren which are in Egypt, and see whether they be yet alive. And Jethro said to Moses, Go in peace. 19 And the Lord said unto Moses in Midian, Go, return into Egypt: for all the men are dead which sought thy life.
[Patriarchs & Prophets pp 255] The divine command given to Moses found him self-distrustful, slow of speech, and timid. He was overwhelmed with a sense of his incapacity to be a mouthpiece for God to Israel. But having once accepted the work, he entered upon it with his whole heart, putting all his trust in the Lord. The greatness of his mission called into exercise the best powers of his mind. God blessed his ready obedience, and he became eloquent, hopeful, self-possessed, and well fitted for the greatest work ever given to man. This is an example of what God does to strengthen the character of those who trust Him fully and give themselves unreservedly to His commands.
A man will gain power and efficiency as he accepts the responsibilities that God places upon him, and with his whole soul seeks to qualify himself to bear them aright. However humble his position or limited his ability, that man will attain true greatness who, trusting to divine strength, seeks to perform his work with fidelity. Had Moses relied upon his own strength and wisdom, and eagerly accepted the great charge, he would have evinced his entire unfitness for such a work. The fact that a man feels his weakness is at least some evidence that he realizes the magnitude of the work appointed him, and that he will make God his counselor and his strength.
Moses returned to his father-in-law and expressed his desire to visit his brethren in Egypt. Jethro's consent was given, with his blessing, “Go in peace.” With his wife and children, Moses set forth on the journey. He had not dared to make known the object of his mission, lest they should not be allowed to accompany him. Before reaching Egypt, however, he himself thought it best for their own safety to send them back to the home in Midian. A secret dread of Pharaoh and the Egyptians, whose anger had been kindled against him forty years before, had rendered Moses still more reluctant to return to Egypt; but after he had set out to obey the divine command, the Lord revealed to him that his enemies were dead.
Isaiah 48:17 Thus saith the Lord, thy Redeemer, the Holy One of Israel; I am the Lord thy God which teacheth thee to profit, which leadeth thee by the way that thou shouldest go.
May God add His blessing to the study of His word. "Good night" and God bless!