We were

Deuteronomy 5:6, 15
"I am the LORD your God, who brought you out of the land of Egypt, out of the house of slavery. . . .

Deuteronomy 15:15
Remember that you were slaves in the land of Egypt, and the LORD your God redeemed you; that is why I am giving you this command today.

Deuteronomy 26:5-9
and you are to declare before the LORD your God, "My father was a wandering Aramean, and he went down to Egypt few in number and lived there and became a great nation, mighty and numerous. . . .

Exodus 20:2
"I am the LORD your God, who brought you out of the land of Egypt, out of the house of slavery.

Nehemiah 9:9, 10
You saw the oppression of our fathers in Egypt; You heard their cry at the Red Sea. . . .

Psalm 136:10-12
He struck down the firstborn of Egypt His loving devotion endures forever. . . .

Isaiah 51:1
Listen to Me, you who pursue righteousness, you who seek the LORD: Look to the rock from which you were cut, and to the quarry from which you were hewn.

Jeremiah 32:20, 21
You performed signs and wonders in the land of Egypt, and You do so to this very day, both in Israel and among all mankind. And You have made a name for Yourself, as is the case to this day. . . .

Romans 6:17, 18
But thanks be to God that, though you once were slaves to sin, you wholeheartedly obeyed the form of teaching to which you were committed. . . .

Ephesians 2:11, 12
Therefore remember that formerly you who are Gentiles in the flesh and called uncircumcised by the so-called circumcision (that done in the body by human hands)-- . . .

with a mighty

Exodus 3:19
But I know that the king of Egypt will not allow you to go unless a mighty hand compels him.

Exodus 13:3
So Moses told the people, "Remember this day, the day you came out of Egypt, out of the house of slavery; for the LORD brought you out of it by the strength of His hand. And nothing leavened shall be eaten.