The LORD instructed Moses, “When you go back to Egypt, see that you perform before Pharaoh all the wonders that I have put within your power. But I will harden his heart so that he will not let the people go.
21. When thou goest to return. Moses had not previously enumerated the wonders; but from this verse we gather, that whatever we shall presently read to be done, was already commanded by God. There is then, no doubt, but that God had already advised him of his whole course of proceeding, lest he might yield to the obstinacy of the proud tyrant, and when two...
Here, I. Moses obtains leave of his father-in-law to return into Egypt, Exo 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.
Commenting on Exodus 4:18-23
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...