Acts 17:30

The times of ignorance therefore God overlooked; but now he commandeth men that they should all everywhere repent:

Luke 24:47

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

Acts 14:16

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

Romans 3:25

whom God set forth to be a propitiation, through faith, in his blood, to show his righteousness because of the passing over of the sins done aforetime, in the forbearance of God;

Mark 6:12

And they went out, and preached that men'should repent.

Titus 2:11-12

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

Matthew 4:17

From that time began Jesus to preach, and to say, Repent ye; for the kingdom of heaven is at hand.

Acts 11:18

And when they heard these things, they held their peace, and glorified God, saying, Then to the Gentiles also hath God granted repentance unto 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 ye worship in ignorance, this I set forth unto you.

Acts 20:21

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

Romans 3:23

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

2 Corinthians 7:10

For godly sorrow worketh repentance unto salvation, a repentance which bringeth no regret: but the sorrow of the world worketh death.

1 Peter 4:3

For the time past may suffice to have wrought the desire of the Gentiles, and to have walked in lasciviousness, lusts, winebibbings, revellings, carousings, and abominable idolatries:

Psalm 50:21

These things hast thou done, and I kept silence; Thou thoughtest that I was altogether such a one as thyself: But I will reprove thee, and set them in order before thine eyes.

Matthew 3:2

Repent ye; 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 ye, and believe in the gospel.

Luke 13:5

I tell you, Nay: but, except ye repent, ye shall all likewise perish.

Luke 15:10

Even so, I say unto you, there is joy in the presence of the angels of God over one sinner that repenteth.

Acts 3:19

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

Acts 26:17-20

delivering thee from the people, and from the Gentiles, unto whom I send thee,

Romans 1:28

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

Romans 2:4

Or despisest thou the riches of his goodness and forbearance and longsuffering, not knowing that the goodness of God leadeth thee to repentance?

Ephesians 4:17-32

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

Ephesians 5:6-8

Let no man deceive you with empty words: for because of these things cometh the wrath of God upon the sons of disobedience.

1 Peter 1:14-15

as children of obedience, not fashioning yourselves according to your former lusts in the time of 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 suffered all the nations to walk in their own ways.
Psalm 50:21
These things hast thou done, and I kept silence; Thou thoughtest that I was altogether such a one as thyself: But I will reprove thee, and set them in order before thine eyes.
Romans 1:28
And even as they refused to have God in their knowledge, God gave them up unto 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
And if one person sin unwittingly, then he shall offer a she-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 be good, or whether it be evil.
Luke 5:32
I am not come to call the righteous but sinners to repentance.

American Standard Version Public Domain