1 John 3:23

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.

John 6:29

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

John 13:34

A new commandment I give unto you, That you love one another; as I have loved you, that you also 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 that you heard from the beginning, that we should love one another.

Deuteronomy 18:15-19

The LORD your God will raise up unto you a Prophet from the midst of you, of your brethren, like unto me; unto him you shall hearken;

Psalm 2:12

Kiss the Son, lest he be angry, and you perish in the way, when his wrath is kindled but a little. Blessed are all they that put their trust in him.

Matthew 22:39

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

Mark 9:7

And there was a cloud that overshadowed them: and a voice came out of the cloud, saying, This is my beloved Son: hear him.

John 14:1

Let not your heart be troubled: you believe in God, believe also in me.

John 17:3

And this is life eternal, that they might know you the only true God, and Jesus Christ, whom you have sent.

Acts 16:31

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

Ephesians 5:2

And walk in love, as Christ also has loved us, and has given himself for us an offering and a sacrifice to God for a sweet smelling fragrance.

1 Thessalonians 4:9

But concerning brotherly love you need not that I write unto you: for you yourselves are taught of God to love one another.

1 Timothy 1:15

This is a faithful saying, and worthy of all acceptance, that Christ Jesus came into the world to save sinners; of whom I am chief.

1 Peter 1:22

Seeing you have purified your souls in obeying the truth through the Spirit unto sincere love of the brethren, see that you love one another with a pure heart fervently:

1 Peter 4:8

And above all things have fervent love among yourselves: for love shall cover a multitude of sins.

1 John 2:8-10

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

1 John 4:21

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

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

Deuteronomy 18:15
The LORD your God will raise up unto you a Prophet from the midst of you, of your brethren, like unto me; unto him you shall hearken;
Psalm 2:12
Kiss the Son, lest he be angry, and you perish in the way, when his wrath is kindled but a little. Blessed are all they that put their trust in him.
Mark 9:7
And there was a cloud that overshadowed them: and a voice came out of the cloud, saying, This is my beloved Son: hear him.
John 6:29
Jesus answered and said unto them, This is the work of God, that you believe on him whom he has sent.
John 14:1
Let not your heart be troubled: you believe in God, believe also in me.
John 17:3
And this is life eternal, that they might know you the only true God, and Jesus Christ, whom you have sent.
Acts 16:31
And they said, Believe on the Lord Jesus Christ, and you shall be saved, and your house.
1 Timothy 1:15
This is a faithful saying, and worthy of all acceptance, 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 that you heard from the beginning, that we should love one another.
1 John 2:8
Again, a new commandment I write unto you, which thing is true in him and in you: because the darkness is past, and the true light now shines.
1 John 4:21
And this commandment have we from him, That he who loves God love his brother also.
Matthew 22:39
And the second is like unto it, You shall love your neighbor as yourself.
John 13:34
A new commandment I give unto you, That you love one another; as I have loved you, that you also 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 has loved us, and has given himself for us an offering and a sacrifice to God for a sweet smelling fragrance.
1 Thessalonians 4:9
But concerning brotherly love you need not that I write unto you: for you yourselves are taught of God to love one another.
1 Peter 1:22
Seeing you have purified your souls in obeying the truth through the Spirit unto sincere love of the brethren, see that you love one another with a pure heart fervently:
1 Peter 4:8
And above all things have fervent love among yourselves: for love shall cover a multitude of sins.

General references

Leviticus 19:37
Therefore shall you observe all my statutes, and all my judgments, and do them: I am the LORD.
Deuteronomy 30:15
See, I have set before you this day life and good, and death and evil;
Luke 11:28
But he said, Yea rather, blessed are they 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.