1 Thessalonians 4:5

not in passion of desire, even as the gentiles, who know not God;

2 Thessalonians 1:8

awarding vengeance to those who know not God, and to those who obey not the Gospel of our Lord Jesus;

John 17:25

O righteous Father! and the world knew Thee not; but I knew Thee, and these knew that Thou didst send Me;

Acts 17:23

for, passing through, and considering your objects of worship, I found also an altar on which had been inscribed, TO AN UNKNOWN GOD. What, therefore, in ignorance ye worship, this I declare to you.

1 Corinthians 15:34

Awake to soberness righteously, and sin not; for some have not a knowledge of God: I say it to your shame!

Treasury of Scripture Knowledge

Summary

Pour out thy fury upon the heathen that know thee not, and upon the families that call not on thy name: for they have eaten up Jacob, and devoured him, and consumed him, and have made his habitation desolate.

Bible References

That know

John 17:25
O righteous Father! and the world knew Thee not; but I knew Thee, and these knew that Thou didst send Me;
Acts 17:23
for, passing through, and considering your objects of worship, I found also an altar on which had been inscribed, TO AN UNKNOWN GOD. What, therefore, in ignorance ye worship, this I declare to you.
1 Corinthians 15:34
Awake to soberness righteously, and sin not; for some have not a knowledge of God: I say it to your shame!
1 Thessalonians 4:5
not in passion of desire, even as the gentiles, who know not God;
2 Thessalonians 1:8
awarding vengeance to those who know not God, and to those who obey not the Gospel of our Lord Jesus;