Acts 17:23

For going through, and seeing your devotions, I also found an altar on which it was superscribed, To THE UNKNOWN GOD. Therefore I now preach unto you Him whom you are ignorantly worshiping.

John 4:22

You worship, you know not what: we worship that which we know: because salvation is of the Jews.

Acts 17:30

Then indeed God winking at the times of ignorance, now commands all men everywhere to repent:

2 Thessalonians 2:4

the one opposing and exalting himself above everything that is called God or divinity; so that he sits in the temple of God, showing himself off that he is God.

Matthew 15:9

But in vain they worship me, teaching as doctrines the commandments of men.

John 8:54

Jesus responded, If I may glorify myself, my glory is nothing: my Father is the one glorifying me; whom you say, that, He is our God;

John 17:3

But this is eternal life, that they know thee the only true God, and Jesus Christ whom thou didst send.

John 17:25

Righteous Father, indeed the world does not know thee, but I know thee, and they know that thou didst send me;

Romans 1:20-25

for the invisible things of Him from the creation of the world are seen, being known by the things which are made, even His eternal power and divinity; so that they are without excuse:

Romans 1:28

And as they did not approve to have God in their knowledge, God gave them up to a reprobate mind, to do those things which are inappropriate;

1 Corinthians 1:21

For since in the wisdom of God the world by wisdom knew not God, God was pleased through the foolishness of preaching to save those who believe.

1 Corinthians 8:5

For if indeed there are those who are called gods, whether in heaven or upon the earth; as there are gods many, and lords many;

2 Corinthians 4:4-6

in whom the god of this age has blinded the minds of those who believe not, in order that the light of the gospel of the glory of Christ, who is the image of God, may not shine on them.

Ephesians 2:12

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

1 Timothy 1:17

But to the King of the ages, the incorruptible, invisible, only God, be honor and glory unto the ages of the ages. Amen.

1 John 5:20

But we know that the Son of God has come and has given unto us intelligence, that we know the truth. And we are in the true one, 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 changed the glory of the invisible God into the similitude of the likeness of corruptible man, and of birds, and of quadrupeds, and of creeping things.
1 Corinthians 8:5
For if indeed there are those who are called gods, whether in heaven or upon the earth; as there are gods many, and lords many;
2 Thessalonians 2:4
the one opposing and exalting himself above everything that is called God or divinity; so that he sits in the temple of God, showing himself off that he is God.

To

John 17:3
But this is eternal life, that they know thee the only true God, and Jesus Christ whom thou didst send.
Romans 1:20
for the invisible things of Him from the creation of the world are seen, being known by the things which are made, even His eternal power and divinity; so that they are without excuse:
1 Corinthians 1:21
For since in the wisdom of God the world by wisdom knew not God, God was pleased through the foolishness of preaching to save those who believe.
2 Corinthians 4:4
in whom the god of this age has blinded the minds of those who believe not, in order that the light of the gospel of the glory of Christ, who is the image of God, may not shine on them.
Ephesians 2:12
because you were at that time without Christ, being alienated from the commonwealth of Israel, and strangers of the covenants of the promise, having no hope and being atheists in the world.
1 Timothy 1:17
But to the King of the ages, the incorruptible, invisible, only God, be honor and glory unto the ages of the ages. Amen.
1 John 5:20
But we know that the Son of God has come and has given unto us intelligence, that we know the truth. And we are in the true one, in his Son Jesus Christ; he is the true God, and eternal life.

Ignorantly

Acts 17:30
Then indeed God winking at the times of ignorance, now commands all men everywhere to repent:
Matthew 15:9
But in vain they worship me, teaching as doctrines the commandments of men.
John 4:22
You worship, you know not what: we worship that which we know: because salvation is of the Jews.
John 8:54
Jesus responded, If I may glorify myself, my glory is nothing: my Father is the one glorifying me; whom you say, that, He is our God;