1 Thessalonians 4:5
Not in the passion of lust, like the Gentiles who know not God.
2 Thessalonians 1:8
in flaming fire. Then shall he take vengeance on those who know not God, even on those who do not obey the gospel of our Lord Jesus.
John 17:25
O righteous Father, though the world knew thee not, I have known thee, and these have known that though didst send me.
Acts 17:23
"For as I was passing along and observing your objects of worship, I found also an altar with this inscription, 'TO AN UNKNOWN GOD.' What you are worshiping in ignorance, this I am proclaiming to you.
1 Corinthians 15:34
Wake up, do justly, cease from sin; for I say to your shame that some of you have no acquaintance with God.