Moses
Exodus 3:20ESV·traditional attribution

So I will stretch out my hand and strike Egypt with all the wonders that I will do in it; after that he will let you go.

Matthew Henry Presbyterian @wholebiblehenry

Moses is here more particularly instructed in his work, and informed beforehand of his success. 1. He must deal with the elders of Israel, and raise their expectation of a speedy removal to Canaan, Exo 3:16, Exo 3:17. He must repeat to them what God had said to him, as a faithful ambassador.

Commenting on Exodus 3:16-22

John Gill Reformed Baptist @doctorgill

And I will stretch out my hand,.... Or "therefore" (e) he would stretch out his mighty hand, exert his almighty power; and for this purpose was Pharaoh raised up, and his heart hardened, that God might show his power in him, and on him: and smite Egypt with all my wonders, which I will do in the midst thereof: with those wondrous plagues, the amazing...

Keil & Delitzsch Lutheran @keilanddelitzsch

Exo 3:16-20 With the command, “Go and gather the elders of Israel together,” God then gave Moses further instructions with reference to the execution of his mission. On his arrival in Egypt he was first of all to inform the elders, as the representatives of the nation (i.e., the heads of the families, households, and tribes), of the appearance of God to him, and the...

Commenting on Exodus 3:16-20