John 3:19

And this is the sentence of condemnation, that the Light has entered the world and yet men have preferred darkness to light. It is because their actions have been evil;

John 12:35

Then Jesus said to them, "The Light will shine among you for a little longer yet; walk while you have the Light, that the darkness may not overtake you. He who walks in the dark does not know where he is going.

Romans 1:28

Yes, as they disdained to acknowledge God any longer, God has given them up to a reprobate instinct, for the perpetration of what is improper,

2 Timothy 2:19

But the solid foundation laid by God remains, and this is its inscription: the Lord knows who are his, and 'let everyone who names the name of the Lord give up evil.'

1 John 2:11

but he who hates his brother is in darkness, he walks in darkness and 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
Yes, as they disdained to acknowledge God any longer, God has given them up to a reprobate instinct, for the perpetration of what is improper,

All the, etc

2 Timothy 2:19
But the solid foundation laid by God remains, and this is its inscription: the Lord knows who are his, and 'let everyone who names the name of the Lord give up evil.'