1 John 2:9

He that says he is in the light, and hates his brother, is in darkness till now.

1 John 2:11

but he that hates his brother is in darkness, and walks in darkness, and knows not where he goes, because the darkness has blinded his eyes.

1 John 4:20

If any one says, I love God, and hates his brother, he is a liar; for he that loves not his brother whom he has seen, how can he love God whom he has not seen?

John 9:41

Jesus said to them, If you were blind you would not have had sin; but now you say, We see, your sin remains.

Romans 2:18-21

and know his will, and approve of things which are excellent, being instructed by the law,

1 Corinthians 13:1-3

If I speak with the tongues of men and of angels and have not love, I am a sounding brass and a tinkling cymbal.

2 Peter 1:9

for a man that is without these is blind, not seeing to a distance, and has forgotten the purification from his former errors.

1 John 1:6

If we say that we have fellowship with him, and walk in darkness, we lie and observe not the truth;

1 John 2:4

He that says, I have known him, and keeps not his commandments, is a liar, and the truth is not in him;

1 John 3:13-17

Wonder not, brothers, 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
He that says, I have known him, and keeps not 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 walk in darkness, we lie and observe not the truth;
John 9:41
Jesus said to them, If you were blind you would not have had sin; but now you say, We see, your sin remains.
Romans 2:18
and know his will, and approve of things which are excellent, being instructed by the law,

And hateth

1 John 3:13
Wonder not, brothers, if the world hates you.

Is in

1 John 2:11
but he that hates his brother is in darkness, and walks in darkness, and knows not where he goes, because the darkness has blinded his eyes.
1 Corinthians 13:1
If I speak with the tongues of men and of angels and have not love, I am a sounding brass and a tinkling cymbal.
2 Peter 1:9
for a man that is without these is blind, not seeing to a distance, and has forgotten the purification from his former errors.

General references

John 15:12
This is my commandment, that you love one another as I have loved you.
Hebrews 13:1
Let brotherly love continue.