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
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;
1 John 3:17
But whoso hath the world's goods, and beholdeth his brother in need, and shutteth up his compassion from him, how doth the love of God abide in him?

Not

1 John 4:12
No man hath beheld God at any time: if we love one another, God abideth in us, and his love is perfected in us:

General references

Matthew 22:40
On these two commandments the whole law hangeth, and the prophets.
Matthew 25:42
for I was hungry, and ye did not give me to eat; I was thirsty, and ye gave me no drink;
John 13:35
By this shall all men know that ye are my disciples, if ye have love one to another.
John 14:15
If ye love me, ye will keep my commandments.
Hebrews 13:1
Let love of the brethren continue.

American Standard Version Public Domain