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.

John 4:22

You worship that which you do not know. We worship that which we know; for salvation is from the Jews.

Acts 17:30

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

2 Thessalonians 2:4

he who opposes and exalts himself against all that is called God or that is worshiped; so that he sits in the temple of God, setting himself up as God.

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.

Psalm 147:20

He has not done this for just any nation. They do not know his ordinances. Praise the LORD.

Matthew 15:9

And in vain do they worship me, teaching as doctrine rules made by men.'"

John 8:54

Jesus answered, "If I glorify myself, my glory is nothing. It is my Father who glorifies me, of whom you say 'He is our God.'

John 17:3

This is eternal life, that they may know you, the only true God, and him whom you sent, Jesus Christ.

John 17:25

Righteous Father, the world hasn't known you, but I knew you; and these knew that you sent me.

Romans 1:20-25

For since the creation of the world his invisible attributes, his eternal power and divine nature, have been clearly seen, being understood from what has been made. So they are without excuse.

Romans 1:28

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

1 Corinthians 1:21

For seeing that in the wisdom of God, the world through its wisdom did not know God, it was God's good pleasure through the foolishness of the preaching to save those who believe.

1 Corinthians 8:5

For though there are things that are called "gods," whether in the heavens or on earth; as there are many "gods" and many "lords;"

2 Corinthians 4:4-6

in whom the god of this world has blinded the minds of the unbelieving, to prevent the light shining from the Good News of the glory of Christ, who is the image of God.

Galatians 4:8-9

However at that time, not knowing God, you were in bondage to those who by nature are not gods.

Ephesians 2:12

that you were at that time separate from Christ, alienated from the commonwealth of Israel, and strangers from the covenants of the promise, having no hope and without God in the world.

1 Timothy 1:17

Now to the King eternal, immortal, invisible, the only God, be honor and glory forever and ever. Amen.

1 John 5:20

We know that the Son of God has come, and has given us an understanding, that we know him who is true, and we are in him who is true, in his Son Jesus Christ. He is the true God and eternal life.

Treasury of Scripture Knowledge

Summary

For as I passed by, and beheld your devotions, I found an altar with this inscription, TO THE UNKNOWN GOD. Whom therefore ye ignorantly worship, him declare I unto you.

Bible References

Devotions

Romans 1:23
and traded the glory of the incorruptible God for the likeness of an image of corruptible man, and of birds, and four-footed animals, and crawling creatures.
1 Corinthians 8:5
For though there are things that are called "gods," whether in the heavens or on earth; as there are many "gods" and many "lords;"
2 Thessalonians 2:4
he who opposes and exalts himself against all that is called God or that is worshiped; so that he sits in the temple of God, setting himself up as God.

To

Psalm 147:20
He has not done this for just any nation. They do not know his ordinances. Praise the LORD.
John 17:3
This is eternal life, that they may know you, the only true God, and him whom you sent, Jesus Christ.
Romans 1:20
For since the creation of the world his invisible attributes, his eternal power and divine nature, have been clearly seen, being understood from what has been made. So they are without excuse.
1 Corinthians 1:21
For seeing that in the wisdom of God, the world through its wisdom did not know God, it was God's good pleasure through the foolishness of the preaching to save those who believe.
2 Corinthians 4:4
in whom the god of this world has blinded the minds of the unbelieving, to prevent the light shining from the Good News of the glory of Christ, who is the image of God.
Galatians 4:8
However at that time, not knowing God, you were in bondage to those who by nature are not gods.
Ephesians 2:12
that you were at that time separate from Christ, alienated from the commonwealth of Israel, and strangers from the covenants of the promise, having no hope and without God in the world.
1 Timothy 1:17
Now to the King eternal, immortal, invisible, the only God, be honor and glory forever and ever. Amen.
1 John 5:20
We know that the Son of God has come, and has given us an understanding, that we know him who is true, and we are in him who is true, in his Son Jesus Christ. He is the true God and eternal life.

Ignorantly

Acts 17:30
The times of ignorance therefore God overlooked. But now he commands that all people everywhere should repent,
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 15:9
And in vain do they worship me, teaching as doctrine rules made by men.'"
John 4:22
You worship that which you do not know. We worship that which we know; for salvation is from the Jews.
John 8:54
Jesus answered, "If I glorify myself, my glory is nothing. It is my Father who glorifies me, of whom you say 'He is our God.'