John 3:19

And this is the judgment, that the Light hath come into the world, and men loved the darkness rather than the Light; for their works were evil.

John 12:35

Jesus, therefore, said to them, "Yet a little while is the Light among you. Walk while ye have the Light, lest darkness overtake you; and he that walks in the darkness knows not where he is going.

Romans 1:28

And, as they did not approve the holding of God in their knowledge, God delivered them up to a reprobate mind, to do those things which are not becoming;

2 Timothy 2:19

Nevertheless, the firm foundation of God has been standing, having this seal, "The Lord knew those who are His:" and "Let every one who names the name of the Lord depart from unrighteousness."

1 John 2:11

But he that hates his brother is in the darkness, and walks in the darkness, and knows not where he is going, because the darkness 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 did not approve the holding of God in their knowledge, God delivered them up to a reprobate mind, to do those things which are not becoming;

All the, etc

2 Timothy 2:19
Nevertheless, the firm foundation of God has been standing, having this seal, "The Lord knew those who are His:" and "Let every one who names the name of the Lord depart from unrighteousness."