1 John 3:23

And this is his commandment; that we should believe in the name of his Son Jesus Christ, and love one another as he gave commandment.

John 6:29

Jesus answered and said to them, This is the work of God; to believe on him whom he has sent.

John 13:34

I give you a new commandment to love another, as I have loved you that you also should love one another.

John 15:12

This is my commandment, that you love one another as I have loved you.

1 John 3:11

For this is the message which you heard from the beginning; that we should love one another;

Matthew 22:39

And the second is like it, You shall love your neighbor as yourself.

Mark 9:7

And a cloud overshadowed them, and a voice came from the cloud, This is my beloved Son; hear him.

John 14:1

Let not your hearts be troubled; believe in God and believe in me.

John 17:3

And this is the eternal life; that they shall know thee, the only true God, and Jesus Christ whom thou hast sent.

Acts 16:31

And they said, Believe on the Lord Jesus, and you shall be saved, and your house.

Ephesians 5:2

and walk in love, as Christ also loved us and gave himself for us, an offering and sacrifice to God of good odor.

1 Thessalonians 4:9

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

1 Timothy 1:15

The word is true and worthy of all acceptation, that Christ Jesus came into the world to save sinners, of whom I am chief;

1 Peter 1:22

Having purified your souls by obeying the truth to unfeigned brotherly love, love one another fervently, from the heart,

1 Peter 4:8

above all things have fervent love one for another, for love hides a multitude of sins.

1 John 2:8-10

Again, a new commandment I write you, which is true in him and in you, because the darkness is past and the true light now appears.

1 John 4:21

And we have this commandment from him, that he who loves God should also love his brother.

Treasury of Scripture Knowledge

Summary

And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment.

Bible References

His commandment

Mark 9:7
And a cloud overshadowed them, and a voice came from the cloud, This is my beloved Son; hear him.
John 6:29
Jesus answered and said to them, This is the work of God; to believe on him whom he has sent.
John 14:1
Let not your hearts be troubled; believe in God and believe in me.
John 17:3
And this is the eternal life; that they shall know thee, the only true God, and Jesus Christ whom thou hast sent.
Acts 16:31
And they said, Believe on the Lord Jesus, and you shall be saved, and your house.
1 Timothy 1:15
The word is true and worthy of all acceptation, that Christ Jesus came into the world to save sinners, of whom I am chief;

Love

1 John 3:11
For this is the message which you heard from the beginning; that we should love one another;
1 John 2:8
Again, a new commandment I write you, which is true in him and in you, because the darkness is past and the true light now appears.
1 John 4:21
And we have this commandment from him, that he who loves God should also love his brother.
Matthew 22:39
And the second is like it, You shall love your neighbor as yourself.
John 13:34
I give you a new commandment to love another, as I have loved you that you also should love one another.
John 15:12
This is my commandment, that you love one another as I have loved you.
Ephesians 5:2
and walk in love, as Christ also loved us and gave himself for us, an offering and sacrifice to God of good odor.
1 Thessalonians 4:9
But concerning brotherly love, you have no need that I should write to you; for you are taught by God to love one another;
1 Peter 1:22
Having purified your souls by obeying the truth to unfeigned brotherly love, love one another fervently, from the heart,
1 Peter 4:8
above all things have fervent love one for another, for love hides a multitude of sins.

General references

Luke 11:28
And he said, Yes indeed, blessed are those that hear the word of God and keep it.
John 15:12
This is my commandment, that you love one another as I have loved you.
Hebrews 13:1
Let brotherly love continue.
1 John 4:11
Beloved, if God so loved us, we ought also to love one another.
1 John 5:2
By this we know that we love the children of God, when we love God and keep his commandments.