1 Thessalonians 4:5
not in the passion of lust like the heathen, who do not know God;
2 Thessalonians 1:8
inflicting vengeance on those who do not know God and on those who do not obey the gospel of our Lord Jesus.
John 17:25
O righteous Father, the world has not known you, but I have known you; and these know that you sent me.
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 as unknown, this I proclaim to you.
1 Corinthians 15:34
Come back to your senses as you ought, and stop sinning; for some have no knowledge of God. I say this to your shame.