Exodus 3:19

I know that the king of Egypt will not permit you to go, except under compulsion.

Exodus 5:2

But Pharaoh responded: Who is Jehovah, that I should obey his voice to let Israel go? I do not know Jehovah, and besides, I will not let Israel go.

Exodus 6:1

Jehovah said to Moses: Now you will see what I will do to Pharaoh. I will show him my power. He will let my people go! I will show him my power, and he will throw them out of his country.

Exodus 7:1-14

Jehovah said to Moses: See, I make you as God to Pharaoh, and your brother Aaron shall be your prophet.

Psalm 136:11-12

And brought Israel out from their midst, for his loving kindness is everlasting.

Isaiah 63:12-13

Where is the one who sent his powerful arm to support the right hand of Moses? Where is the one who divided the water in front of them to make an everlasting name for himself?

Treasury of Scripture Knowledge

Summary

And I am sure that the king of Egypt will not let you go, no, not by a mighty hand.

No, not by a mighty hand

Bible References

Will not

Exodus 5:2
But Pharaoh responded: Who is Jehovah, that I should obey his voice to let Israel go? I do not know Jehovah, and besides, I will not let Israel go.
Exodus 7:4
Pharaoh will not listen to you. Then I will use my power to punish (lay my hand upon) Egypt severely. I will bring my people, the sons of Israel, out of Egypt in organized family groups.

No, not by a mighty hand

Exodus 6:1
Jehovah said to Moses: Now you will see what I will do to Pharaoh. I will show him my power. He will let my people go! I will show him my power, and he will throw them out of his country.
Psalm 136:11
And brought Israel out from their midst, for his loving kindness is everlasting.
Isaiah 63:12
Where is the one who sent his powerful arm to support the right hand of Moses? Where is the one who divided the water in front of them to make an everlasting name for himself?