1 John 4:7

Beloved, let us love one another; for love is from God, and every one that loveth hath been born of God, and knoweth God;

1 John 4:8

he that loveth not hath not known God; for God is love.

1 John 2:29

If ye know that he is righteous, ye know that every one also that doeth righteousness hath been born of him.

Galatians 5:22

But the fruit of the Spirit is love, joy, peace, longsuffering, kindness, goodness, faithfulness,

1 John 2:10

He that loveth his brother abideth in the light, and there is no occasion of stumbling in him;

1 John 4:12

No one hath ever seen God. If we love one another, God dwelleth in us, and his love is perfected in us.

1 John 4:20-1

If any one saith, 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?

John 17:3

And this is the everlasting life, to know thee, the only true God, and Jesus Christ whom thou didst send.

2 Corinthians 4:6

For it is God, who commanded light to shine out of darkness, that shined in our hearts, to give the light of the knowledge of the glory of God in the face of Christ.

Galatians 4:9

but now, after having known God, or rather having been known by God, how is it that ye are turning back to the weak and beggarly rudiments to which ye wish to be again in bondage?

1 Thessalonians 4:9-10

But concerning brotherly love there is no need of writing to you; for ye yourselves are taught of God to love one another;

2 Timothy 1:7

for God gave us not the spirit of cowardice, but of power, and of love, and of admonition.

1 Peter 1:22

Seeing ye have purified your souls in obeying the truth unto unfeigned brotherly love, love one another from the heart, fervently;

1 John 3:10-23

In this are manifest the children of God and the children of the Devil. Whoever doeth not righteousness is not of God, and he that loveth not his brother.

Treasury of Scripture Knowledge

Summary

Beloved, let us love one another: for love is of God; and every one that loveth is born of God, and knoweth God.

Bible References

Let

1 John 4:20
If any one saith, 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?
1 John 2:10
He that loveth his brother abideth in the light, and there is no occasion of stumbling in him;
1 John 3:10
In this are manifest the children of God and the children of the Devil. Whoever doeth not righteousness is not of God, and he that loveth not his brother.
1 John 5:1
Whoever believeth that Jesus is the Christ hath been born of God; and every one that loveth him that begat, loveth also him that hath been begotten of him.

Love is

1 John 4:8
he that loveth not hath not known God; for God is love.
Galatians 5:22
But the fruit of the Spirit is love, joy, peace, longsuffering, kindness, goodness, faithfulness,
1 Thessalonians 4:9
But concerning brotherly love there is no need of writing to you; for ye yourselves are taught of God to love one another;
2 Timothy 1:7
for God gave us not the spirit of cowardice, but of power, and of love, and of admonition.
1 Peter 1:22
Seeing ye have purified your souls in obeying the truth unto unfeigned brotherly love, love one another from the heart, fervently;

Every

1 John 4:12
No one hath ever seen God. If we love one another, God dwelleth in us, and his love is perfected in us.
1 John 2:29
If ye know that he is righteous, ye know that every one also that doeth righteousness hath been born of him.
1 John 3:14
We know that we have passed out of death into life, because we love the brethren; he that loveth not abideth in death.
1 John 5:1
Whoever believeth that Jesus is the Christ hath been born of God; and every one that loveth him that begat, loveth also him that hath been begotten of him.

And knoweth

John 17:3
And this is the everlasting life, to know thee, the only true God, and Jesus Christ whom thou didst send.
2 Corinthians 4:6
For it is God, who commanded light to shine out of darkness, that shined in our hearts, to give the light of the knowledge of the glory of God in the face of Christ.
Galatians 4:9
but now, after having known God, or rather having been known by God, how is it that ye are turning back to the weak and beggarly rudiments to which ye wish to be again in bondage?

General references

Matthew 22:40
On these two commandments hang all the Law and the Prophets.
John 15:13
Greater love hath no one than this, that he lay down his life for his friends.
1 Corinthians 16:14
let all your doings be in love.
Hebrews 13:1
Let brotherly love continue.