1 John 3:23

And this is His command--that we are to believe in His Son Jesus Christ and love one another, just as He has commanded us to do.

John 6:29

"This," replied Jesus, "is above all the thing that God requires--that you should be believers in Him whom He has sent."

John 13:34

A new commandment I give you, to love one another; that as I have loved you, you also may love one another.

John 15:12

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

1 John 3:11

For this is the Message you have heard from the beginning--that we are to love one another.

Matthew 22:39

And the second is similar to it: 'Thou shalt love thy fellow man as much as thyself.'

Mark 9:7

Then there came a cloud spreading over them, and a voice issued from the cloud, "This is my Son, dearly loved: listen to Him."

John 14:1

"Let not your hearts be troubled. Trust in God: trust in me also.

John 17:3

And in this consists the Life of the Ages--in knowing Thee the only true God and Jesus Christ whom Thou hast sent.

Acts 16:31

"Believe on the Lord Jesus," they replied, "and both you and your household will be saved."

Ephesians 5:2

And live and act lovingly, as Christ also loved you and gave Himself up to death on our behalf as an offering and sacrifice to God, yielding a fragrant odor.

1 Thessalonians 4:9

But on the subject of love for the brotherhood it is unnecessary for me to write to you, for you yourselves have been taught by God to love one another;

1 Timothy 1:15

Faithful is the saying, and deserving of universal acceptance, that Christ Jesus came into the world to save sinners; among whom I stand foremost.

1 Peter 1:22

Now that, through your obedience to the truth, you have purified your souls for cherishing sincere brotherly love, you must love another heartily and fervently.

1 Peter 4:8

Above all continue to love one another fervently, for love throws a veil over a multitude of faults.

1 John 2:8-10

And yet I *am* giving you a new command, for such it really is, so far as both He and you are concerned: because the darkness is now passing away and the light, the true light, is already beginning to shine.

1 John 4:21

And the command which we have from Him is that he who loves God must love his brother man 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

Mark 9:7
Then there came a cloud spreading over them, and a voice issued from the cloud, "This is my Son, dearly loved: listen to Him."
John 6:29
"This," replied Jesus, "is above all the thing that God requires--that you should be believers in Him whom He has sent."
John 14:1
"Let not your hearts be troubled. Trust in God: trust in me also.
John 17:3
And in this consists the Life of the Ages--in knowing Thee the only true God and Jesus Christ whom Thou hast sent.
Acts 16:31
"Believe on the Lord Jesus," they replied, "and both you and your household will be saved."
1 Timothy 1:15
Faithful is the saying, and deserving of universal acceptance, that Christ Jesus came into the world to save sinners; among whom I stand foremost.

Love

1 John 3:11
For this is the Message you have heard from the beginning--that we are to love one another.
1 John 2:8
And yet I *am* giving you a new command, for such it really is, so far as both He and you are concerned: because the darkness is now passing away and the light, the true light, is already beginning to shine.
1 John 4:21
And the command which we have from Him is that he who loves God must love his brother man also.
Matthew 22:39
And the second is similar to it: 'Thou shalt love thy fellow man as much as thyself.'
John 13:34
A new commandment I give you, to love one another; that as I have loved you, you also may love one another.
John 15:12
This is my commandment to you, to love one another as I have loved you.
Ephesians 5:2
And live and act lovingly, as Christ also loved you and gave Himself up to death on our behalf as an offering and sacrifice to God, yielding a fragrant odor.
1 Thessalonians 4:9
But on the subject of love for the brotherhood it is unnecessary for me to write to you, for you yourselves have been taught by God to love one another;
1 Peter 1:22
Now that, through your obedience to the truth, you have purified your souls for cherishing sincere brotherly love, you must love another heartily and fervently.
1 Peter 4:8
Above all continue to love one another fervently, for love throws a veil over a multitude of faults.

General references

Luke 11:28
"Nay rather," He replied, "they are blessed who hear God's Message and carefully keep it."
John 15:12
This is my commandment to you, to love one another as I have loved you.
Hebrews 13:1
Let brotherly love always continue.
1 John 4:11
Dear friends, if God has so loved us, we also ought to love one another.
1 John 5:2
The fact that we love God Himself, and obey His commands, is a proof that we love God's children.