Treasury of Scripture Knowledge

Summary

If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen?

Bible References

A man

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 this person.
1 John 3:17
But whoever has the world's material possessions and observes his brother {in need} and shuts his heart against him, how does the love of God reside in him?

Not

1 John 4:12
No one has seen God at any time. If we love one another, God resides in us and his love is perfected in us.

General references

Matthew 22:40
On these two commandments depend all the law and the prophets."
Matthew 25:42
For I was hungry and you did not give me [anything] to eat, I was thirsty and you did not give me [anything] to drink,
John 13:35
By this everyone will know that you are my disciples--if you have love for one another."
John 14:15
"If you love me, you will keep my commandments.
Hebrews 13:1
Brotherly love must continue.