1 John 2:9

The one who says he is in the Light and yet hates his brother is in the darkness until now.

1 John 2:11

But the one 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.

1 John 4:20

If someone says, “I love God,” and hates his brother, he is a liar; for the one who does not love his brother whom he has seen, cannot love God whom he has not seen.

Psalm 82:5

They do not know nor do they understand;
They walk about in darkness;
All the foundations of the earth are shaken.

John 9:41

Jesus said to them, If you were blind, you would have no sin; but since you say, ‘We see,’ your sin remains.

Romans 2:18-21

and know His will and approve the things that are essential, being instructed out of the Law,

1 Corinthians 13:1-3

If I speak with the tongues of men and of angels, but do not have love, I have become a noisy gong or a clanging cymbal.

2 Peter 1:9

For he who lacks these qualities is blind or short-sighted, having forgotten his purification from his former sins.

1 John 1:6

If we say that we have fellowship with Him and yet walk in the darkness, we lie and do not practice the truth;

1 John 2:4

The one who says, “I have come to know Him,” and does not keep His commandments, is a liar, and the truth is not in him;

1 John 3:13-17

Do not be surprised, brethren, if the world hates you.

Treasury of Scripture Knowledge

Summary

He that saith he is in the light, and hateth his brother, is in darkness even until now.

That saith

And hateth

General references

Bible References

That saith

1 John 2:4
The one who says, “I have come to know Him,” and does not keep His commandments, is a liar, and the truth is not in him;

He is

1 John 1:6
If we say that we have fellowship with Him and yet walk in the darkness, we lie and do not practice the truth;
John 9:41
Jesus said to them, If you were blind, you would have no sin; but since you say, ‘We see,’ your sin remains.
Romans 2:18
and know His will and approve the things that are essential, being instructed out of the Law,

And hateth

1 John 3:13
Do not be surprised, brethren, if the world hates you.

Is in

1 John 2:11
But the one 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.
Psalm 82:5
They do not know nor do they understand;
They walk about in darkness;
All the foundations of the earth are shaken.
1 Corinthians 13:1
If I speak with the tongues of men and of angels, but do not have love, I have become a noisy gong or a clanging cymbal.
2 Peter 1:9
For he who lacks these qualities is blind or short-sighted, having forgotten his purification from his former sins.

General references

John 15:12
“This is My commandment, that you love one another, just as I have loved you.
Hebrews 13:1
Let love of the brethren continue.