Acts 17:23

For [as I] was passing through and observing carefully your objects of worship, I even found an altar on which was inscribed, 'To an unknown God.' Therefore what you worship without knowing [it], this I proclaim to you--

John 4:22

You worship what you do not know. We worship what we know, because salvation is from the Jews.

Acts 17:30

Therefore [although] God has overlooked the times of ignorance, he now commands all people everywhere to repent,

2 Thessalonians 2:4

who opposes and who exalts himself over every so-called god or object of worship, so that he sits down in the temple of God, proclaiming that he himself is God.

Psalm 50:21

These [things] you have done, and I have been silent; You imagined that I was just like you. I will rebuke you and present [an argument] before your eyes.

Psalm 147:20

He has not done so for any nation, and they do not know [his] ordinances. Praise Yah.

Matthew 15:9

and they worship me in vain, teaching [as] doctrines the commandments of men.'"

John 8:54

Jesus replied, "If I glorify myself, my glory is nothing. The one who glorifies me is my Father, [about] whom you say, 'He is our God.'

John 17:3

Now this is eternal life: that they know you, the only true God, and Jesus Christ, whom you have sent.

John 17:25

Righteous Father, although the world does not know you, yet I have known you, and these [men] have come to know that you sent me.

Romans 1:20-25

For from the creation of the world, his invisible [attributes], both his eternal power and deity, are discerned clearly, being understood in the things created, so that they are without excuse.

Romans 1:28

And just as they did not see fit {to recognize God}, God gave them over to a debased mind, to do the things [that are] not proper,

1 Corinthians 1:21

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

1 Corinthians 8:5

For even if after all [there] are so-called gods, whether in heaven or on earth, just as [there] are many gods and many lords,

2 Corinthians 4:4-6

among whom the god of this age has blinded the minds of the unbelievers, so that they would not see the light of the gospel of the glory of Christ, who is the image of God.

Galatians 4:8-9

But at that time [when you] did not know God, you were enslaved to the things which by nature are not gods.

Ephesians 2:12

that you were at that time apart from Christ, alienated from the citizenship of Israel, and strangers to the covenants of promise, not having hope, and without God in the world.

1 Timothy 1:17

Now to the King of the ages, immortal, invisible, to 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, in order that we may know the one who is true, and we are in the one who is true, in his Son Jesus Christ. This one 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 exchanged the glory of the immortal God with the likeness of an image of mortal human beings and birds and quadrupeds and reptiles.
1 Corinthians 8:5
For even if after all [there] are so-called gods, whether in heaven or on earth, just as [there] are many gods and many lords,
2 Thessalonians 2:4
who opposes and who exalts himself over every so-called god or object of worship, so that he sits down in the temple of God, proclaiming that he himself is God.

To

Psalm 147:20
He has not done so for any nation, and they do not know [his] ordinances. Praise Yah.
John 17:3
Now this is eternal life: that they know you, the only true God, and Jesus Christ, whom you have sent.
Romans 1:20
For from the creation of the world, his invisible [attributes], both his eternal power and deity, are discerned clearly, being understood in the things created, so that they are without excuse.
1 Corinthians 1:21
For since, in the wisdom of God, the world through its wisdom did not know God, God was pleased through the foolishness of preaching to save those who believe.
2 Corinthians 4:4
among whom the god of this age has blinded the minds of the unbelievers, so that they would not see the light of the gospel of the glory of Christ, who is the image of God.
Galatians 4:8
But at that time [when you] did not know God, you were enslaved to the things which by nature are not gods.
Ephesians 2:12
that you were at that time apart from Christ, alienated from the citizenship of Israel, and strangers to the covenants of promise, not having hope, and without God in the world.
1 Timothy 1:17
Now to the King of the ages, immortal, invisible, to 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, in order that we may know the one who is true, and we are in the one who is true, in his Son Jesus Christ. This one is the true God and eternal life.

Ignorantly

Acts 17:30
Therefore [although] God has overlooked the times of ignorance, he now commands all people everywhere to repent,
Psalm 50:21
These [things] you have done, and I have been silent; You imagined that I was just like you. I will rebuke you and present [an argument] before your eyes.
Matthew 15:9
and they worship me in vain, teaching [as] doctrines the commandments of men.'"
John 4:22
You worship what you do not know. We worship what we know, because salvation is from the Jews.
John 8:54
Jesus replied, "If I glorify myself, my glory is nothing. The one who glorifies me is my Father, [about] whom you say, 'He is our God.'