Exodus 3:19

“However, I know that the king of Egypt will not allow you to go, unless he is forced by a strong hand.

Exodus 5:2

But Pharaoh responded, “Who is Yahweh that I should obey Him by letting Israel go? I do not know anything about Yahweh, and besides, I will not let Israel go.”

Exodus 6:1

But the Lord replied to Moses, “Now you are going to see what I will do to Pharaoh: he will let them go because of My strong hand; he will drive them out of his land because of My strong hand.”

Exodus 7:1-14

The Lord answered Moses, “See, I have made you like God to Pharaoh, and Aaron your brother will be your prophet.

Psalm 136:11-12

and brought Israel out from among them
        His love is eternal.

Isaiah 63:12-13

He sent His glorious arm
to be at Moses’ right hand,
divided the waters before them
to obtain eternal fame 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 Yahweh that I should obey Him by letting Israel go? I do not know anything about Yahweh, and besides, I will not let Israel go.”
Exodus 7:4
Pharaoh will not listen to you, but I will put My hand on Egypt and bring the divisions of My people the Israelites out of the land of Egypt by great acts of judgment.

No, not by a mighty hand

Exodus 6:1
But the Lord replied to Moses, “Now you are going to see what I will do to Pharaoh: he will let them go because of My strong hand; he will drive them out of his land because of My strong hand.”
Psalm 136:11
and brought Israel out from among them
        His love is eternal.
Isaiah 63:12
He sent His glorious arm
to be at Moses’ right hand,
divided the waters before them
to obtain eternal fame for Himself,

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.