2 John 1:5

And now I beseech thee, Cyria, not as writing to thee a new commandment, but that which we have had from the beginning, that we love one another.

1 John 3:11

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

John 13:34-35

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

John 15:12

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

Galatians 5:22

But the fruit of the Spirit is love, joy, peace, longsuffering, kindness, goodness, faithfulness,

Ephesians 5:2

and walk in love, as Christ also loved you, and gave himself for you an offering and a sacrifice to God, of a sweet odor.

1 Thessalonians 4:9

But concerning brotherly love there is no need of writing to you; for ye yourselves are taught of God to love one another;

Hebrews 13:1

Let brotherly love continue.

1 Peter 1:22-23

Seeing ye have purified your souls in obeying the truth unto unfeigned brotherly love, love one another from the heart, fervently;

1 Peter 4:8

And above all things have fervent love among yourselves; for love covereth a multitude of sins.

2 Peter 1:7

and to godliness brotherly kindness, and to brotherly kindness love.

1 John 2:7-8

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

1 John 3:14-18

We know that we have passed out of death into life, because we love the brethren; he that loveth not abideth in death.

1 John 3:23

And this is his commandment, that we should believe in the name of his Son Jesus Christ, and should love one another, as he gave commandment.

1 John 4:7-12

Beloved, let us love one another; for love is from God, and every one that loveth hath been born of God, and knoweth God;

1 John 4:20

If any one saith, I love God, and hateth his brother, he is a liar; for he that loveth not his brother, whom he hath seen, how can he love God, whom he hath 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 write no new commandment to you, but an old commandment, which ye have had from the beginning. The old commandment is the word which ye have heard.
1 John 3:11
For this is the message that ye have heard from the beginning, that we should love one another;

General references

Hebrews 13:1
Let brotherly love continue.