John 3:19

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

John 12:35

Then Jesus said to them, "A little while longer the light is with you. Walk while you have the light, lest the darkness overtake you; he who walks in the darkness does not know where he is going.

Romans 1:28

And since they did not see fit to retain the knowledge of God, God gave them over to a base mind, to do what ought not to be done.

2 Timothy 2:19

Nevertheless, God's firm foundation stands, having this seal: "The Lord knows those who are his," and, "Everyone who names the name of the Lord must turn away from wickedness."

1 John 2:11

But he who hates his brother is in the darkness and walks in the darkness, and does not know where he is going, because 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 since they did not see fit to retain the knowledge of God, God gave them over to a base mind, to do what ought not to be done.

All the, etc

2 Timothy 2:19
Nevertheless, God's firm foundation stands, having this seal: "The Lord knows those who are his," and, "Everyone who names the name of the Lord must turn away from wickedness."