John 3:19

And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil.

John 12:35

Then Jesus said unto them, Yet a little while the light is to be with you; walk while ye have the light, least darkness overtake you; for he that walketh in the dark knoweth not whither he goeth.

Romans 1:28

And as they were not careful to acknowledge God, God gave them up to an undiscerning mind to do things that were not fit to be done:

2 Timothy 2:19

However, the foundation of God standeth firm, having this inscription, The Lord knoweth them that are his; and, Let every one that nameth the name of Christ depart from iniquity.

1 John 2:11

But he, that hateth his brother, is in darkness, and walketh in darkness, and knoweth not where he goeth, because the darkness hath 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 as they were not careful to acknowledge God, God gave them up to an undiscerning mind to do things that were not fit to be done:

All the, etc

2 Timothy 2:19
However, the foundation of God standeth firm, having this inscription, The Lord knoweth them that are his; and, Let every one that nameth the name of Christ depart from iniquity.