2 John 1:5

Now I beg you, dear lady, not as though I wrote to you a new commandment, but that which we had from the beginning, that we love one another.

1 John 3:11

For this is the message which you heard from the beginning, that we should love one another;

John 13:34-35

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

John 15:12

"This is my commandment, that you love one another, even as I have loved you.

Galatians 5:22

But the fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faith,

Ephesians 5:2

Walk in love, even as Christ also loved you, and gave himself up for us, an offering and a sacrifice to God for a sweet-smelling fragrance.

1 Thessalonians 4:9

But concerning brotherly love, you have no need that one write to you. For you yourselves are taught by God to love one another,

Hebrews 13:1

Let brotherly love continue.

1 Peter 1:22-23

Seeing you have purified your souls in your obedience to the truth through the Spirit in sincere brotherly affection, love one another from the heart fervently:

1 Peter 4:8

And above all things be earnest in your love among yourselves, for love covers a multitude of sins.

2 Peter 1:7

and in godliness brotherly affection; and in brotherly affection, love.

1 John 2:7-8

Brothers, I write no new commandment to you, but an old commandment which you had from the beginning. The old commandment is the word which you heard from the beginning.

1 John 3:14-18

We know that we have passed out of death into life, because we love the brothers. He who doesn't love his brother remains in death.

1 John 3:23

This is his commandment, that we should believe in the name of his Son, Jesus Christ, and love one another, even as he commanded.

1 John 4:7-12

Beloved, let us love one another, for love is of God; and everyone who loves is born of God, and knows God.

1 John 4:20

If a man says, "I love God," and hates his brother, he is a liar; for he who doesn't love his brother whom he has seen, how can he 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
Brothers, I write no new commandment to you, but an old commandment which you had from the beginning. The old commandment is the word which you heard from the beginning.
1 John 3:11
For this is the message which you heard from the beginning, that we should love one another;

General references

Hebrews 13:1
Let brotherly love continue.