Acts 17:30

The times of ignorance therefore God overlooked. But now he commands that all people everywhere should repent,

Luke 24:47

and that repentance and remission of sins should be preached in his name to all the nations, beginning at Jerusalem.

Acts 14:16

who in the generations gone by allowed all the nations to walk in their own ways.

Romans 3:25

whom God set forth to be an atoning sacrifice, through faith in his blood, for a demonstration of his righteousness through the passing over of prior sins, in God's forbearance;

Mark 6:12

They went out and preached that people should repent.

Titus 2:11-12

For the grace of God has appeared, bringing salvation to all men,

Matthew 4:17

From that time, Jesus began to preach, and to say, "Repent! For the Kingdom of Heaven is at hand."

Acts 11:18

When they heard these things, they held their peace, and glorified God, saying, "Then God has also granted to the Gentiles repentance to life!"

Acts 17:23

For as I passed along, and observed the objects of your worship, I found also an altar with this inscription: 'TO AN UNKNOWN GOD.' What therefore you worship in ignorance, this I announce to you.

Acts 20:21

testifying both to Jews and to Greeks repentance toward God, and faith toward our Lord Jesus.

Romans 3:23

for all have sinned, and fall short of the glory of God;

2 Corinthians 7:10

For godly sorrow works repentance to salvation, which brings no regret. But the sorrow of the world works death.

1 Peter 4:3

For we have spent enough of our past time doing the desire of the Gentiles, and having walked in lewdness, lusts, drunken binges, orgies, carousings, and abominable idolatries.

Psalm 50:21

You have done these things, and I kept silent. You thought that I was just like you. I will rebuke you, and accuse you in front of your eyes.

Matthew 3:2

"Repent, for the Kingdom of Heaven is at hand!"

Mark 1:15

and saying, "The time is fulfilled, and the Kingdom of God is at hand! Repent, and believe in the Good News."

Luke 13:5

I tell you, no, but, unless you repent, you will all perish in the same way."

Luke 15:10

Even so, I tell you, there is joy in the presence of the angels of God over one sinner repenting."

Acts 3:19

"Repent therefore, and turn again, that your sins may be blotted out, so that there may come times of refreshing from the presence of the Lord,

Acts 26:17-20

delivering you from the people, and from the Gentiles, to whom I send you,

Romans 1:28

Even as they refused to have God in their knowledge, God gave them up to a reprobate mind, to do those things which are not fitting;

Romans 2:4

Or do you despise the riches of his goodness, forbearance, and patience, not knowing that the goodness of God leads you to repentance?

Ephesians 4:17-32

This I say therefore, and testify in the Lord, that you no longer walk as the rest of the Gentiles also walk, in the futility of their mind,

Ephesians 5:6-8

Let no one deceive you with empty words. For because of these things, the wrath of God comes on the children of disobedience.

1 Peter 1:14-15

as children of obedience, not conforming yourselves according to your former lusts as in your ignorance,

Treasury of Scripture Knowledge

Summary

And the times of this ignorance God winked at; but now commandeth all men every where to repent:

Bible References

The times

Acts 14:16
who in the generations gone by allowed all the nations to walk in their own ways.
Psalm 50:21
You have done these things, and I kept silent. You thought that I was just like you. I will rebuke you, and accuse you in front of your eyes.
Romans 1:28
Even as they refused to have God in their knowledge, God gave them up to a reprobate mind, to do those things which are not fitting;
Romans 3:23
for all have sinned, and fall short of the glory of God;

General references

Numbers 15:27
"'If one person sins unwittingly, then he shall offer a female goat a year old for a sin offering.
Ecclesiastes 12:14
For God will bring every work into judgment, with every hidden thing, whether it is good, or whether it is evil.
Luke 5:32
I have not come to call the righteous, but sinners to repentance."