1 John 4:8

He that loves not never knew God; because God is love.

2 Corinthians 13:11

Finally, brethren, farewell. Be perfected, be comforted, think the same thing; be at peace; and the God of love and peace will be with you.

1 John 1:5

And this is the message which we have heard from Him, and announce to you, that God is Light, and in Him there is no darkness at all.

1 John 4:16

And we have known and believed the love which God hath in us. God is love, and he that abides in love abides in God, and God abideth in him.

John 8:54-55

Jesus answered, "If I glorify Myself, My glory is nothing. It is My Father Who glorifieth Me, of Whom ye say, that He is your God.

Ephesians 2:4

but God, being rich in mercy, on account of His great love wherewith He loved us,

Hebrews 12:29

for, verily, our God is a consuming fire.

1 John 2:4

He who says, "I have known Him," and does not keep His commandments, is a liar, and the truth is not in him;

1 John 2:9

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

1 John 3:6

Every one that is abiding in Him sins not; whosoever sins has not seen Him nor known Him.

1 John 4:7

Beloved, let us love one another; because 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 who says, "I have known Him," and does not keep His commandments, is a liar, and the truth is not in him;
1 John 3:6
Every one that is abiding in Him sins not; whosoever sins has not seen Him nor known Him.
John 8:54
Jesus answered, "If I glorify Myself, My glory is nothing. It is My Father Who glorifieth Me, of Whom ye say, that He is your God.

God is

1 John 1:5
And this is the message which we have heard from Him, and announce to you, that God is Light, and in Him there is no darkness at all.
2 Corinthians 13:11
Finally, brethren, farewell. Be perfected, be comforted, think the same thing; be at peace; and the God of love and peace will be with you.
Ephesians 2:4
but God, being rich in mercy, on account of His great love wherewith He loved us,
Hebrews 12:29
for, verily, our God is a consuming fire.

General references

Matthew 22:40
On these two commandments hangs the whole law, and the prophets."
John 15:13
Greater love has no one than this, that one lay down his soul for his friends.
1 Corinthians 16:14
Let all your affairs be carried on in love.
Hebrews 13:1
Let brotherly love continue.