1 John 4:8

He that loves not, does not know God; for God is love.

2 Corinthians 13:11

Finally, brethren, farewell; be perfect, be comforted, be of the same mind, be at peace; and the God of love and of peace will be with you.

1 John 1:5

And this is the message that we heard from him, and do declare to you: that God is light, and in him is no darkness at all.

1 John 4:16

And we have known and believed the love which God has for us. God is love; and he that dwells in love, dwells in God, and God in him.

John 8:54-55

Jesus answered: If I honor myself, my honor is nothing; it is my Father that honors me, of whom you say, that he is your God.

Ephesians 2:4

but God, being rich in mercy, on account of his great love with which he loved us,

Hebrews 12:29

for our God is a consuming fire.

1 John 2:4

He that says, I know him, and keeps not his commandments, is a liar, and the truth is not in him.

1 John 2:9

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

1 John 3:6

Whoever abides in him, sins not. Whoever sins, has neither seen him nor known him.

1 John 4:7

Beloved, let us love one another; for love is of God: and every one that loves, has been begotten of God, and knows God.

Treasury of Scripture Knowledge

Summary

He that loveth not knoweth not God; for God is love.

Bible References

Knoweth

1 John 2:4
He that says, I know him, and keeps not his commandments, is a liar, and the truth is not in him.
1 John 3:6
Whoever abides in him, sins not. Whoever sins, has neither seen him nor known him.
John 8:54
Jesus answered: If I honor myself, my honor is nothing; it is my Father that honors me, of whom you say, that he is your God.

God is

1 John 1:5
And this is the message that we heard from him, and do declare to you: that God is light, and in him is no darkness at all.
2 Corinthians 13:11
Finally, brethren, farewell; be perfect, be comforted, be of the same mind, be at peace; and the God of love and of peace will be with you.
Ephesians 2:4
but God, being rich in mercy, on account of his great love with which he loved us,
Hebrews 12:29
for our God is a consuming fire.

General references

Matthew 22:40
On these two commandments hang the whole law and the prophets.
John 15:13
Greater love has no man than this, that one should lay down his life for his friends.
1 Corinthians 16:14
Let every thing be done by you in love.
Hebrews 13:1
Let brotherly love continue.