New Revised Standard Version
For as I went through the city and looked carefully at the objects of your worship, I found among them an altar with the inscription, ‘To an unknown god.’ What therefore you worship as unknown, this I proclaim to you.

Contemporary English Version
As I was going through your city and looking at the things you worship, I found an altar with the words, "To an Unknown God." You worship this God, but you don't really know him. So I want to tell you about him.

New American Bible
For as I walked around looking carefully at your shrines, I even discovered an altar inscribed, ‘To an Unknown God.’ What therefore you unknowingly worship, I proclaim to you.

Douay-Rheims Bible
For passing by and seeing your idols, I found an altar also, on which was written: To the Unknown God. What therefore you worship without knowing it, that I preach to you:

For passing by and seeing your idols, I found an altar also, on which was written: To the Unknown God. What therefore you worship without knowing it, that I preach to you:

devotions.

Romans 1:23-25 And they changed the glory of the incorruptible God into the likeness of the image of a corruptible man and of birds, and of fourfooted beasts and of creeping things. . . .

1 Corinthians 8:5 For although there be that are called gods, either in heaven or on earth (for there be gods many and lords many):

2 Thessalonians 2:4 Who opposeth and is lifted up above all that is called God or that is worshipped, so that he sitteth in the temple of God, shewing himself as if he were God.

TO.

Psalm 147:20 He hath not done in like manner to every nation: and his judgments he hath not made manifest to them. Alleluia.

John 17:3,25 Now this is eternal life: That they may know thee, the only true God, and Jesus Christ, whom thou hast sent. . . .

Romans 1:20-22,28 For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made. His eternal power also and divinity: so that they are inexcusable. . . .

1 Corinthians 1:21 For, seeing that in the wisdom of God, the world, by wisdom, knew not God, it pleased God, by the foolishness of our preaching, to save them that believe.

2 Corinthians 4:4-6 In whom the god of this world hath blinded the minds of unbelievers, that the light of the gospel of the glory of Christ, who is the image of God, should not shine unto them. . . .

Galatians 4:8,9 But then indeed, not knowing God, you served them who, by nature, are not gods. . . .

Ephesians 2:12 That you were at that time without Christ, being aliens from the conversation of Israel and strangers to the testament, having no hope of the promise and without God in this world.

1 Timothy 1:17 Now to the king of ages, immortal, invisible, the only God, be honour and glory for ever and ever. Amen.

1 John 5:20 And we know that the Son of God is come. And he hath given us understanding that we may know the true God and may be in his true Son. This is the true God and life eternal.

ignorantly.

Acts 17:30 And God indeed having winked at the times of this ignorance, now declareth unto men that all should every where do penance.

Psalm 50:21 These things hast thou done, and I was silent. Thou thoughtest unjustly that I should be like to thee: but I will reprove thee, and set before thy face.

Matthew 15:9 And in vain do they worship me, teaching doctrines and commandments of men.

John 4:22 You adore that which you know not: we adore that which 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 that glorifieth me, of whom you say that he is your God.