John 3:19

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

John 12:35

Then Jesus said to them: Yet a little while is the light with you: walk while you have the light, lest the darkness overtake you. For he that walks in the darkness knows not whither he goes.

Romans 1:28

And as they refused to acknowledge God, God delivered them up to an undiscerning mind, to do detestable things;

2 Timothy 2:19

But the foundation of God stands firm, having this inscription: The Lord knows those who are his; and, Let every one that names the name of Christ depart from iniquity.

1 John 2:11

He that hates his brother is in darkness, and walks in darkness; and he knows not whither he goes, because 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 as they refused to acknowledge God, God delivered them up to an undiscerning mind, to do detestable things;

All the, etc

2 Timothy 2:19
But the foundation of God stands firm, having this inscription: The Lord knows those who are his; and, Let every one that names the name of Christ depart from iniquity.