1 Peter 3:18

For even Christ once suffered for sins, the just for the unjust, that he might bring us to God; being put to death, indeed, in the flesh, but made alive by the Spirit.

1 John 3:16

By this we have known the love of Christ, because he laid down his life for us; therefore we ought to lay down our lives for the brethren.

1 John 4:9-10

By this the love of God was manifested to us, that God sent forth his Son, the only begotten, into the world, that we might live through him.

Treasury of Scripture Knowledge

Summary

But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.

Bible References

In that

1 Peter 3:18
For even Christ once suffered for sins, the just for the unjust, that he might bring us to God; being put to death, indeed, in the flesh, but made alive by the Spirit.
1 John 3:16
By this we have known the love of Christ, because he laid down his life for us; therefore we ought to lay down our lives for the brethren.
1 John 4:9
By this the love of God was manifested to us, that God sent forth his Son, the only begotten, into the world, that we might live through him.