1 John 2:9

He who says he is 'in the light' and hates his brother, is in darkness still.

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.

1 John 4:20

If anyone declares, 'I love God,' and yet hates his brother, he is a liar; for he who will not love his brother whom he has seen, cannot possibly love the God whom he has never seen.

John 9:41

Jesus replied, "If you were blind, you would not be guilty; but, as it is, you claim to have sight ??and so your sin remains."

Romans 2:18-21

understanding his will, and with a sense of what is vital in religion; if you are instructed by the Law

1 Corinthians 13:1-3

Thus, I may speak with the tongues of men and of angels, but if I have no love, I am a noisy gong or a clanging cymbal;

2 Peter 1:9

whereas he who has not these by him is blind, shortsighted, oblivious that he has been cleansed from his erstwhile sins.

1 John 1:6

If we say, 'We have fellowship with him,' when we live and move in darkness, then we are lying, we are not practising the truth;

1 John 2:4

He who says, 'I know him,' but does not obey his commands, is a liar and the truth is not in him;

1 John 3:13-17

Do not wonder, brothers, that 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 who says, 'I know him,' but does not obey his commands, is a liar and the truth is not in him;

He is

1 John 1:6
If we say, 'We have fellowship with him,' when we live and move in darkness, then we are lying, we are not practising the truth;
John 9:41
Jesus replied, "If you were blind, you would not be guilty; but, as it is, you claim to have sight ??and so your sin remains."
Romans 2:18
understanding his will, and with a sense of what is vital in religion; if you are instructed by the Law

And hateth

1 John 3:13
Do not wonder, brothers, that the world hates you.

Is in

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.
1 Corinthians 13:1
Thus, I may speak with the tongues of men and of angels, but if I have no love, I am a noisy gong or a clanging cymbal;
2 Peter 1:9
whereas he who has not these by him is blind, shortsighted, oblivious that he has been cleansed from his erstwhile sins.

General references

John 15:12
This is my command: you are to love one another as I have loved you.
Hebrews 13:1
Let your brotherly love continue.