2 John 1:5

And now I am entreating you, Lady, not as though I were writing some new commandment to you, but one which we have had from the beginning, let us love one another.

1 John 3:11

For this is the message that you have listened to from the beginning, "WE ARE TO LOVE ONE ANOTHER."

John 13:34-35

I give you a new commandment, Love one another!

John 15:12

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

Galatians 5:22

But the harvest-fruit of the Spirit is love, joy, peace, long-suffering, kindness, goodness, fidelity, gentleness, and self-control;

Ephesians 5:2

and to lead lives of love, just as Christ also loved you and gave himself up for you, an offering and sacrifice unto God, for you, an offering and sacrifice unto God, for "an odor of sweetness."

1 Thessalonians 4:9

It is not needed that I should write to you about brotherly love; for you yourselves have been taught by God to love one another.

Hebrews 13:1

Let brotherly love continue.

1 Peter 1:22-23

Now that by obedience to the truth you have purified your lives for a brotherly love without hypocrisy, you must love one another from your hearts, fervently.

1 Peter 4:8

Above everything have fervent love to one another; for love veils a multitude of sins.

2 Peter 1:7

and to piety brotherly love, and to brotherly love, love itself.

1 John 2:7-8

Beloved, I am not writing a new commandment to you, nay, and old commandment, which you have had from the beginning. That old commandment is the message to which you have listened.

1 John 3:14-18

We know that we have migrated, out of death into life, because we love our brothers. He who has no love is abiding in death.

1 John 3:23

His commandment is this, that we should believe in the name of his Son, Jesus Christ, and love one another as he has commanded us to do.

1 John 4:7-12

Beloved, let us love one another; for love is of God; and every one that loves us a child of God.

1 John 4:20

If any one says, "I love God," and yet hates his brother, he is a liar; for he who does not love his brother whom he has seen, cannot possibly love God, whom he has not seen.

Treasury of Scripture Knowledge

Summary

And now I beseech thee, lady, not as though I wrote a new commandment unto thee, but that which we had from the beginning, that we love one another.

General references

Bible References

Not

1 John 2:7
Beloved, I am not writing a new commandment to you, nay, and old commandment, which you have had from the beginning. That old commandment is the message to which you have listened.
1 John 3:11
For this is the message that you have listened to from the beginning, "WE ARE TO LOVE ONE ANOTHER."

General references

Hebrews 13:1
Let brotherly love continue.