Acts 17:23

For as I passed through, and observed your objects of worship, I found also an altar on which was inscribed, TO AN UNKNOWN GOD. What therefore you worship as unknown, this I declare to you.

John 4:22

You worship what you know not; we worship what we know; for salvation is of the Jews.

Acts 17:30

Overlooking therefore the times of ignorance, God now commands all men everywhere to change their minds,

2 Thessalonians 2:4

who opposes and exalts himself above every thing that is called a god or an object of worship, so that he sits in the temple of God, showing himself that he is God.

Matthew 15:9

But in vain do they worship me, teaching teachings and commandments of 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

And this is the eternal life; that they shall know thee, the only true God, and Jesus Christ whom thou hast sent.

John 17:25

and, righteous Father, the world has not known thee, but I have known thee, and these have known that thou didst send me.

Romans 1:20-25

For his invisible [attributes] are clearly seen from the creation of the world, being perceived by the things which are made, even his eternal power and deity, so that they have no defense,

Romans 1:28

And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are not proper,

1 Corinthians 1:21

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

1 Corinthians 8:5

For even if there are those called Gods, whether in heaven or on earth, as there are many gods and many lords,

2 Corinthians 4:4-6

in whom the god of this life has blinded the minds of the unbelieving, that the light of the gospel of the glory of Christ, who is the likeness of God, may not shine.

Galatians 4:8-9

But formerly, not knowing God you served beings which are not really Gods;

Ephesians 2:12

that at that time you were without Christ, alienated from the polity of Israel, and strangers to the covenants of promise, having no hope and without God in the world;

1 Timothy 1:17

And to the King eternal, immortal, invisible, the only God, be honor and glory forever and ever; amen.

1 John 5:20

And we know that the Son of God has come, and has given us understanding that we may know the true One; and we are in the true One, in his Son Jesus Christ; this 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 imperishable God into the likeness of the image of perishable man, and of birds, and quadrupeds, and reptiles.
1 Corinthians 8:5
For even if there are those called Gods, whether in heaven or on earth, as there are many gods and many lords,
2 Thessalonians 2:4
who opposes and exalts himself above every thing that is called a god or an object of worship, so that he sits in the temple of God, showing himself that he is God.

To

John 17:3
And this is the eternal life; that they shall know thee, the only true God, and Jesus Christ whom thou hast sent.
Romans 1:20
For his invisible [attributes] are clearly seen from the creation of the world, being perceived by the things which are made, even his eternal power and deity, so that they have no defense,
1 Corinthians 1:21
For since, in the wisdom of God, the world by wisdom knew not God, God was pleased by the foolishness of preaching to save those that believe;
2 Corinthians 4:4
in whom the god of this life has blinded the minds of the unbelieving, that the light of the gospel of the glory of Christ, who is the likeness of God, may not shine.
Galatians 4:8
But formerly, not knowing God you served beings which are not really Gods;
Ephesians 2:12
that at that time you were without Christ, alienated from the polity of Israel, and strangers to the covenants of promise, having no hope and without God in the world;
1 Timothy 1:17
And to the King eternal, immortal, invisible, the only God, be honor and glory forever and ever; amen.
1 John 5:20
And we know that the Son of God has come, and has given us understanding that we may know the true One; and we are in the true One, in his Son Jesus Christ; this is the true God, and eternal life.

Ignorantly

Acts 17:30
Overlooking therefore the times of ignorance, God now commands all men everywhere to change their minds,
Matthew 15:9
But in vain do they worship me, teaching teachings and commandments of men.
John 4:22
You worship what you know not; we worship what we know; for salvation is of 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;