1 John 3:23

His Command is this--that we should put our trust in the Name of his Son, Jesus Christ, and love one another, in accordance with the Command that he gave us.

John 6:29

"The work that God would have you do," answered Jesus, "is to believe in him whom God sent as his Messenger."

John 13:34

I give you a new commandment--Love one another; love one another as I have loved you.

John 15:12

This is my command--Love one another, as I have loved you.

1 John 3:11

For these are the Tidings that we heard from the first--that we are to love one another.

Matthew 22:39

The second, which is like it, is this--'Thou shalt love thy neighbor as thou dost thyself.'

Mark 9:7

Then a cloud came down and enveloped them; and from the cloud there came a voice--"This is my Son, the Beloved; him you must hear."

John 14:1

Do not let your hearts be troubled. Believe in God; believe also in me.

John 17:3

And the Immortal Life is this--to know thee the one true God, and Jesus Christ whom thou has sent as thy Messenger.

Acts 16:31

"Believe in Jesus, our Lord," they replied, "and you shall be saved, you and your household too."

Ephesians 5:2

And live a life of love, following the example of the Christ, who loved you and gave himself for you as 'an offering and a sacrifice to God, that should be fragrant and acceptable.'

1 Thessalonians 4:9

As to love for the Brethren there is no need to write to you; for you have yourselves been taught by God to love one another;

1 Timothy 1:15

How true the saying is, and worthy of the fullest acceptance, that 'Christ Jesus came into the world to save sinners'! And there is no greater sinner than I!

1 Peter 1:22

Now that, by your obedience to the Truth, you have purified your lives, so that there is growing up among you a genuine brotherly affection, love one another earnestly with all your hearts;

1 Peter 4:8

Above all things, let your love for one another be earnest, for 'Love throws a veil over countless sins.'

1 John 2:8-10

Yet, again, it is a new Command that I am writing to you-- manifest in Christ's life and in your own--for the Darkness is passing away and the true Light is already shining.

1 John 4:21

Indeed, we have this Command from God-- 'He who loves God must 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
Then a cloud came down and enveloped them; and from the cloud there came a voice--"This is my Son, the Beloved; him you must hear."
John 6:29
"The work that God would have you do," answered Jesus, "is to believe in him whom God sent as his Messenger."
John 14:1
Do not let your hearts be troubled. Believe in God; believe also in me.
John 17:3
And the Immortal Life is this--to know thee the one true God, and Jesus Christ whom thou has sent as thy Messenger.
Acts 16:31
"Believe in Jesus, our Lord," they replied, "and you shall be saved, you and your household too."
1 Timothy 1:15
How true the saying is, and worthy of the fullest acceptance, that 'Christ Jesus came into the world to save sinners'! And there is no greater sinner than I!

Love

1 John 3:11
For these are the Tidings that we heard from the first--that we are to love one another.
1 John 2:8
Yet, again, it is a new Command that I am writing to you-- manifest in Christ's life and in your own--for the Darkness is passing away and the true Light is already shining.
1 John 4:21
Indeed, we have this Command from God-- 'He who loves God must also love his Brother.'
Matthew 22:39
The second, which is like it, is this--'Thou shalt love thy neighbor as thou dost thyself.'
John 13:34
I give you a new commandment--Love one another; love one another as I have loved you.
John 15:12
This is my command--Love one another, as I have loved you.
Ephesians 5:2
And live a life of love, following the example of the Christ, who loved you and gave himself for you as 'an offering and a sacrifice to God, that should be fragrant and acceptable.'
1 Thessalonians 4:9
As to love for the Brethren there is no need to write to you; for you have yourselves been taught by God to love one another;
1 Peter 1:22
Now that, by your obedience to the Truth, you have purified your lives, so that there is growing up among you a genuine brotherly affection, love one another earnestly with all your hearts;
1 Peter 4:8
Above all things, let your love for one another be earnest, for 'Love throws a veil over countless sins.'

General references

Luke 11:28
But Jesus replied: "Rather, happy are those who listen to God's Message and keep it."
John 15:12
This is my command--Love one another, as I have loved you.
Hebrews 13:1
Let your love for the Brethren continue. :24 Give our greeting to all your Leaders, and to all Christ's People. Our friends from Italy send their greetings to you.
1 John 4:11
Dear friends, since God loved us thus, we, surely, ought to love one another.
1 John 5:2
By this we know that we love God's Children--when we love God and carry out his commands.