John 3:19

And the basis of the judgment is this, that the light has come into the world, and yet, because their actions were wicked, men have loved the darkness more than the light.

John 12:35

Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.

Romans 1:28

And just as they refused to recognize God any longer, God has abandoned them to unworthy impulses and indecent conduct.

2 Timothy 2:19

Yet God's solid foundation stands unshaken, bearing this inscription, "The Lord knows those who belong to him," and "Everyone who uses the name of the Lord must give up evil."

1 John 2:11

But whoever hates his brother is in darkness, and is living in darkness, and he does not know where he is going, for the darkness has blinded his eyes.

Treasury of Scripture Knowledge

Summary

They know not, neither will they understand; they walk on in darkness: all the foundations of the earth are out of course.

Know not

All the, etc

Bible References

Know not

Romans 1:28
And just as they refused to recognize God any longer, God has abandoned them to unworthy impulses and indecent conduct.

All the, etc

2 Timothy 2:19
Yet God's solid foundation stands unshaken, bearing this inscription, "The Lord knows those who belong to him," and "Everyone who uses the name of the Lord must give up evil."