1 John 4:9

By this was the love of God manifested to us, that God sent his only begotten Son into the world, that we might have life by him.

John 3:16

For God so loved the world, that he gave his only begotten Son, that every one who believeth in him should not perish, but have life eternal.

1 John 4:10

Herein is love, not that we have loved God, but that he hath loved us, and sent his Son to be the propitiatory sacrifice for our sins.

1 John 5:11

And this is the testimony, that God hath given life eternal to us; and this life is in his Son.

John 6:51

I am the bread that giveth life, which came down from heaven: if any person eat of this bread, he shall live to eternity; and the bread indeed which I shall give is my flesh, which I will give for the life of the world.

John 6:57

As the life-giving Father hath sent me, and I live by the Father; so he that eateth me, the same shall live by me.

John 10:10

The thief cometh not but to steal, and to kill, and to destroy: I am come that they may have life, and that they may have it more abundantly.

Mark 12:6

Now he had yet one son, his beloved, and he sent him unto them last, saying, They will reverence my son.

Luke 4:18

"The spirit of the Lord is upon me, for the work whereunto he hath anointed me; he hath sent me to preach glad tidings to the poor; to heal the contrite in heart; to proclaim liberty to the captives; and restore sight to the blind; to send forth the bruised free from bonds;

John 1:14-18

And the Word became incarnate, and tabernacled with us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.

John 3:18

He that believeth on him is not condemned: but he that believeth not is already under condemnation, because he hath not believed on the name of the only begotten Son of God.

John 5:23

in order that all may honour the Son, just as they honour the Father. He that honoureth not the Son, doth not honour the Father who sent him.

John 6:29

Jesus answered and said unto them, This is the work of God, that ye should believe on him whom he hath sent.

John 8:29

And he that sent me is with me: the Father hath not left me alone; because I always do the things acceptable to him.

John 8:42

Then said Jesus unto them, If God was your Father, ye would have loved me: for I came out from God, and I am coming; neither indeed came I of myself, but he hath sent me.

John 10:28-30

and I give unto them everlasting life and they shall never perish to eternity, and no person shall pluck them out of my hand.

John 11:25-26

Jesus said unto her, I am the resurrection, and the life: he that believeth in me, though he were dead, yet shall he live:

John 14:6

Jesus saith to him, I am the way, and the truth, and the life: no man cometh to the Father, but by me.

Romans 5:8-10

But God commendeth his own love towards us, that, though we were yet sinners, Christ died in our stead.

Romans 8:32

He who even spared not his own Son, but freely delivered him up for us all, how shall he not also, together with him, freely give us all things?

Colossians 3:3-4

For ye are dead, and your life is hid with Christ in God.

Hebrews 1:5

For to which of the angels ever said he, "My Son art thou, I have to-day begotten thee?" And again, "I will be to him a Father, and he shall be to me a Son?"

1 John 3:16

By this we have known the love [of Christ], because for us he laid down his own life: and we ought to lay down our lives for the brethren.

1 John 4:16

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

Treasury of Scripture Knowledge

Summary

In this was manifested the love of God toward us, because that God sent his only begotten Son into the world, that we might live through him.

Bible References

Was

1 John 3:16
By this we have known the love [of Christ], because for us he laid down his own life: and we ought to lay down our lives for the brethren.
John 3:16
For God so loved the world, that he gave his only begotten Son, that every one who believeth in him should not perish, but have life eternal.
Romans 5:8
But God commendeth his own love towards us, that, though we were yet sinners, Christ died in our stead.
Romans 8:32
He who even spared not his own Son, but freely delivered him up for us all, how shall he not also, together with him, freely give us all things?

God sent

1 John 4:10
Herein is love, not that we have loved God, but that he hath loved us, and sent his Son to be the propitiatory sacrifice for our sins.
Luke 4:18
"The spirit of the Lord is upon me, for the work whereunto he hath anointed me; he hath sent me to preach glad tidings to the poor; to heal the contrite in heart; to proclaim liberty to the captives; and restore sight to the blind; to send forth the bruised free from bonds;
John 5:23
in order that all may honour the Son, just as they honour the Father. He that honoureth not the Son, doth not honour the Father who sent him.
John 6:29
Jesus answered and said unto them, This is the work of God, that ye should believe on him whom he hath sent.
John 8:29
And he that sent me is with me: the Father hath not left me alone; because I always do the things acceptable to him.

Only

Mark 12:6
Now he had yet one son, his beloved, and he sent him unto them last, saying, They will reverence my son.
John 1:14
And the Word became incarnate, and tabernacled with us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.
John 3:18
He that believeth on him is not condemned: but he that believeth not is already under condemnation, because he hath not believed on the name of the only begotten Son of God.
Hebrews 1:5
For to which of the angels ever said he, "My Son art thou, I have to-day begotten thee?" And again, "I will be to him a Father, and he shall be to me a Son?"

General references

Matthew 22:40
On these two commandments, the whole law and the prophets depend.
Luke 19:10
For the Son of man is come to seek and to save that which was lost.
John 15:13
Greater love hath no man than this, that a man lay down his life for his friends.
Hebrews 13:1
LET brotherly love continue.