But I know that the king of Egypt will not let you go, but by a mighty hand.

will not.

Exodus 5:2 But he answered: Who is the Lord, that I should hear his voice, and let Israel go? I know not the Lord, neither will I let Israel go.

Exodus 7:4 And he will not hear you: and I will lay my hand upon Egypt, and will bring forth my army and my people, the children of Israel, out of the land of Egypt, by very great judgments.

no, not by a mighty hand.

Exodus 6:1 And the Lord said to Moses: Now thou shalt see what I will do to Pharao: for by a mighty hand shall he let them go, and with a strong hand shall he cast them out of his land.

Exodus 7:1 And the Lord said to Moses: Behold, I have appointed thee the god of Pharao; and Aaron, thy brother, shall be thy prophet.

Exodus 8:1 And the Lord said to Moses: Go in to Pharao, and thou shalt say to him: Thus saith the Lord: Let my people go to sacrifice to me.

Exodus 9:1 And the Lord said to Moses: Go in to Pharao, and speak to him: Thus saith the Lord God of the Hebrews: Let my people go to sacrifice to me.

Exodus 10:1 And the Lord said to Moses: Go in to Pharao; for I have hardened his heart, and the heart of his servants: that I may work these my signs in him,

Exodus 11:1 And the Lord said to Moses: Yet one plague more will I bring upon Pharao and Egypt, and after that he shall let you go, and thrust you out.

Exodus 12:1 And the Lord said to Moses and Aaron in the land of Egypt:

Exodus 13:1 And the Lord spoke to Moses, saying:

Exodus 14:1 And the Lord spoke to Moses, saying:

Psalm 136:11,12 Who brought out Israel from among them: for his mercy endureth for ever. . . .

Isaiah 63:12,13 He that brought out Moses by the right hand, by the arm of his majesty: that divided the waters before them, to make himself an everlasting name. . . .