1 Thessalonians 4:5
not out of evil passions as the heathen do who do not know God;
2 Thessalonians 1:8
in a flame of fire, who will take vengeance on those who do not know God, that is, those who will not listen to the good news of our Lord Jesus.
John 17:25
Righteous Father, although the world did not know you, I did know you, and these men have come to know that you sent me,
Acts 17:23
For as I was going here and there and looking at the things you worship, I even found an altar with this inscription, 'TO AN UNKNOWN GOD.' So it is about the Being whom you are in ignorance already worshiping that I am telling you.
1 Corinthians 15:34
Sober up, as is right, and stop sinning, for some of you -- to your shame I say so -- are without any true knowledge of God.