2 John 1:5

And now I beg you, my lady, not as though I were writing you a new command, but one which we had from the beginning, that we continue to love one another.

1 John 3:11

it is so because the message that you have heard from the beginning is this: We should love one another.

John 13:34-35

I give you a new command, to love one another. Just as I have loved you, you too must love one another.

John 15:12

This is my command to you, to keep on loving one another as I have loved you.

Galatians 5:22

But the product of the Spirit is love, joy, peace, patience, kindness, goodness, faithfulness,

Ephesians 5:2

and practice living in love, just as Christ loved you too and gave Himself for you as a fragrant offering and sacrifice to God.

1 Thessalonians 4:9

Now as to brotherly love, you have no need of anyone's writing you, for you have yourselves been taught by God to love one another,

Hebrews 13:1

You must let your brotherly love continue.

1 Peter 1:22-23

Since you have purified your souls by obeying the truth, in sincere love for the brotherhood you must love one another heartily and fervently,

1 Peter 4:8

Above everything else keep your love for one another fervent, because love covers up a multitude of sins.

2 Peter 1:7

piety with brotherly affection, brotherly affection with universal love.

1 John 2:7-8

Dearly beloved, I am not writing you a new command, but an old one that you have had from the beginning. That old command is the message that you have heard.

1 John 3:14-18

We know that we have passed out of death into life, because we love our brothers. Whoever does not continue to love continues still in death.

1 John 3:23

His command is this, that we should believe in the name of His Son Jesus Christ and practice loving one another, just as He commanded us to do.

1 John 4:7-12

Dearly beloved, let us practice loving one another, because love originates with God, and everyone who practices loving is a child of God and knows God by experience.

1 John 4:20

If anyone says, "I love God," and yet habitually hates his brother, he is a liar; for whoever does not love his brother whom he has seen cannot 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
Dearly beloved, I am not writing you a new command, but an old one that you have had from the beginning. That old command is the message that you have heard.
1 John 3:11
it is so because the message that you have heard from the beginning is this: We should love one another.

General references

Hebrews 13:1
You must let your brotherly love continue.