He shall speak for you to the people, and he shall be your mouth, and you shall be as God to him.
16. And he shall be thy spokesman. God destroys the pretext for his exemption, by assigning to his brother the office of spokesman, and yet does He not put the other in his place; nay, so merciful is the arrangement, that while He yields to His servant’s prayer, He yet confers honor upon him in spite of himself.
Moses still continues backward to the service for which God had designed him, even to a fault; for now we can no longer impute it to his humility and modesty, but must own that here was too much of cowardice, slothfulness, and unbelief in it. Observe here, I. How Moses endeavours to excuse himself from the work. 1. He pleads that he was no good spokesman: O my Lord!
Commenting on Exodus 4:10-17
And he shall be thy spokesman unto the people,.... And open to them Moses's commission from God, and the end of his mission into Egypt, and to them, and declare what signs had been, and would be done, in confirmation of it: and he shall be, even he shall be to thee instead of a mouth; or an interpreter, as all the Targums explain it...