1 John 2:11

But whoever hates his brother is in darkness, and is living in darkness, and he does not know where he is going, for the darkness has blinded his eyes.

John 12:35

Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.

2 Corinthians 4:4

In their case, the god of this world has blinded the minds of the unbelievers, to keep the light of the good news of the glorious Christ, the likeness of God, from dawning upon them.

1 John 2:9

Whoever says, "I am in the light," and yet hates his brother, is still in darkness.

John 12:40

"He has made their eyes blind and their minds dull, To keep them from seeing with their eyes, and understanding with their minds, And turning to me to be cured."

2 Corinthians 3:14

Their minds were dulled. For to this day, that same veil remains unlifted, when they read the old agreement, for only through union with Christ is it removed.

Titus 3:3

For we ourselves were once without understanding, disobedient, deluded, enslaved to all kinds of passions and pleasures. Our minds were full of malice and envy. Men hated us and we hated one another.

1 John 1:6

If we say, "We have fellowship with him," and yet live in darkness, we are lying and not living the truth.

Revelation 3:17

Because you say, "I am rich, I have become wealthy, I need nothing," and you do not know that it is you that are wretched, pitiable, poor, blind, and naked,

Treasury of Scripture Knowledge

Summary

But he that hateth his brother is in darkness, and walketh in darkness, and knoweth not whither he goeth, because that darkness hath blinded his eyes.

And walketh

General references

Bible References

He that

1 John 2:9
Whoever says, "I am in the light," and yet hates his brother, is still in darkness.
John 12:35
Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.
Titus 3:3
For we ourselves were once without understanding, disobedient, deluded, enslaved to all kinds of passions and pleasures. Our minds were full of malice and envy. Men hated us and we hated one another.

And walketh

John 12:35
Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.

General references

John 11:10
but if he travels at night he will stumble because he has no light."