John Gills Exposition of the Bible Commentary - Exodus 4:21
And the Lord said unto Moses ,.... At the same time he appeared to him in Midian, and ordered him to go into Egypt, even before his departure thither: when thou goest to return into Egypt ; and when got thither; for before the thing directed to in the next clause could not be done: see that thou do all these wonders before Pharaoh which I have put in thine hand ; not the three signs or wonders, related in the preceding part of the chapter, for they were to be done not before Pharaoh,... read more
Matthew Henry's Complete Commentary - Exodus 4:18-23
Here, I. Moses obtains leave of his father-in-law to return into Egypt, Exod. 4:18. His father-in-law had been kind to him when he was a stranger, and therefore he would not be so uncivil as to leave his family, nor so unjust as to leave his service, without giving him notice. Note, The honour of being admitted into communion with God, and of being employed for him, does not exempt us from the duties of our relations and callings in this world. Moses said nothing to his father-in-law (for... read more