1 John 4:8

He that loves not has not known God; for God is love.

2 Corinthians 13:11

Finally, brothers, rejoice, be perfect, be of good comfort, be of the same mind, live in peace, and the God of love and peace shall be with you.

1 John 1:5

And this is the message which we have heard from him and declare to you, That God is light, and with him there is no darkness.

1 John 4:16

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

John 8:54-55

Jesus answered, If I glorify myself, my glory is nothing; it is my Father who glorifies me, of whom you say, He is our God;

Ephesians 2:4

but God who is rich in mercy, on account of his great love with which he loved us,??5 even when we were dead in sins he made us alive with Christ,??y grace are you saved,

Hebrews 12:29

for our God is also a consuming fire.

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 2:9

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

1 John 3:6

No one that continues in him sins; no one that sins has seen him, or known him.

1 John 4:7

Beloved, let us love one another, for love is of God, and every one that loves has been born 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 have known him, and keeps not his commandments, is a liar, and the truth is not in him;
1 John 3:6
No one that continues in him sins; no one that sins has seen him, or known him.
John 8:54
Jesus answered, If I glorify myself, my glory is nothing; it is my Father who glorifies me, of whom you say, He is our God;

God is

1 John 1:5
And this is the message which we have heard from him and declare to you, That God is light, and with him there is no darkness.
2 Corinthians 13:11
Finally, brothers, rejoice, be perfect, be of good comfort, be of the same mind, live in peace, and the God of love and peace shall be with you.
Ephesians 2:4
but God who is rich in mercy, on account of his great love with which he loved us,??5 even when we were dead in sins he made us alive with Christ,??y grace are you saved,
Hebrews 12:29
for our God is also a consuming fire.

General references

Matthew 22:40
On these two commandments hang all the law and the prophets.
John 15:13
No man has greater love than this, that one should give his life for his friends.
1 Corinthians 16:14
let all your [works] be in love.
Hebrews 13:1
Let brotherly love continue.