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.

1 John 4:8

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

1 John 2:29

If ye know that He is righteous, ye know that every one that does righteousness has been begotten of Him.

Galatians 5:22

But the fruit of the Spirit is love, joy, peace, long-suffering, kindness, goodness, faith,

1 John 2:10

He that loves his brother abides in the light, and there is no occasion of stumbling in him.

1 John 4:12

No one has ever beheld God. If we love one another, God abideth in us, and His love has been perfected in us.

1 John 4:20-1

If anyone says, "I love God," and hates his brother, he is a liar; for he that loves not his brother whom he has seen, cannot love God Whom he has not seen.

John 17:3

And this is the eternal life, that they know Thee, the only true God, and Jesus Christ Whom Thou didst send.

2 Corinthians 4:6

because it is the God Who said, "Light shall shine out of darkness," Who shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.

Galatians 4:9

but, after having known God, or rather having been known by God, how are ye turning back again to the weak and beggarly elements, to which ye desire to be in bondage again?

1 Thessalonians 4:9-10

But concerning brotherly love, ye have no need that one write to you; for ye yourselves are taught by God to love one another;

2 Timothy 1:7

For God did not give us a spirit of timidity, but of power and love and sobriety.

1 Peter 1:22

Having purified your souls in your obedience to the truth unto unfeigned brotherly love, love one another from the heart earnestly;

1 John 3:10-23

In this are manifest the children of God and the children of the Devil: every one that does not righteousness is not of God, neither he that does not love 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 anyone says, "I love God," and hates his brother, he is a liar; for he that loves not his brother whom he has seen, cannot love God Whom he has not seen.
1 John 2:10
He that loves his brother abides 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: every one that does not righteousness is not of God, neither he that does not love his brother;
1 John 5:1
Every one who believes that Jesus is the Christ has been begotten of God; and every one who loves Him Who begat loves him also that has been begotten of Him.

Love is

1 John 4:8
He that loves not never knew God; because God is love.
Galatians 5:22
But the fruit of the Spirit is love, joy, peace, long-suffering, kindness, goodness, faith,
1 Thessalonians 4:9
But concerning brotherly love, ye have no need that one write to you; for ye yourselves are taught by God to love one another;
2 Timothy 1:7
For God did not give us a spirit of timidity, but of power and love and sobriety.
1 Peter 1:22
Having purified your souls in your obedience to the truth unto unfeigned brotherly love, love one another from the heart earnestly;

Every

1 John 4:12
No one has ever beheld God. If we love one another, God abideth in us, and His love has been perfected in us.
1 John 2:29
If ye know that He is righteous, ye know that every one that does righteousness has been begotten of Him.
1 John 3:14
We know that we have passed out of death into life, because we love the brethren. He that loves not abides in death.
1 John 5:1
Every one who believes that Jesus is the Christ has been begotten of God; and every one who loves Him Who begat loves him also that has been begotten of Him.

And knoweth

John 17:3
And this is the eternal life, that they know Thee, the only true God, and Jesus Christ Whom Thou didst send.
2 Corinthians 4:6
because it is the God Who said, "Light shall shine out of darkness," Who shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.
Galatians 4:9
but, after having known God, or rather having been known by God, how are ye turning back again to the weak and beggarly elements, to which ye desire to be in bondage again?

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.