1 John 2:7

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

1 John 3:11

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

Leviticus 19:18

Thou shalt not avenge, nor bear any grudge against the children of thy people, but thou shalt love thy neighbor as thyself; I am the LORD.

2 John 1:5-6

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

Leviticus 19:34

But the stranger that dwelleth with you shall be to you as one born among you, and thou shalt love him as thyself; for ye were strangers in the land of Egypt: I am the LORD your God.

Deuteronomy 6:5

And thou shalt love the LORD thy God with all thy heart, and with all thy soul, and with all thy might.

Matthew 5:43

Ye have heard that it hath been said, Thou shalt love thy neighbor, and hate thy enemy:

Matthew 22:37-40

Jesus said to him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.

Mark 12:29-34

And Jesus answered him, The first of all the commandments is, Hear, O Israel; The Lord our God is one Lord.

Acts 17:19

And they took him, and brought him to Areopagus, saying, May we know what this new doctrine is, of which thou speakest?

Romans 13:8-10

Owe no man any thing, but to love one another: for he that loveth another hath fulfilled the law.

Galatians 5:13-14

For, brethren, ye have been called to liberty; only use not liberty for an occasion to the flesh, but by love serve one another.

James 2:8-12

If ye fulfill the royal law according to the scripture, Thou shalt love thy neighbor as thyself, ye do well:

1 John 2:24

Let that therefore abide in you, which ye have heard from the beginning. If that which ye have heard from the beginning shall remain in you, ye also shall continue in the Son, and in the Father.

1 John 3:23

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.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

I write

1 John 3:11
For this is the message that ye have heard from the beginning, that we should love one another.
Acts 17:19
And they took him, and brought him to Areopagus, saying, May we know what this new doctrine is, of which thou speakest?
2 John 1:5
And now I beseech thee, lady, not as though I wrote a new commandment to thee, but that which we had from the beginning, that we love one another.

But

Leviticus 19:18
Thou shalt not avenge, nor bear any grudge against the children of thy people, but thou shalt love thy neighbor as thyself; I am the LORD.
Deuteronomy 6:5
And thou shalt love the LORD thy God with all thy heart, and with all thy soul, and with all thy might.
Matthew 5:43
Ye have heard that it hath been said, Thou shalt love thy neighbor, and hate thy enemy:
Matthew 22:37
Jesus said to him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.
Mark 12:29
And Jesus answered him, The first of all the commandments is, Hear, O Israel; The Lord our God is one Lord.
Romans 13:8
Owe no man any thing, but to love one another: for he that loveth another hath fulfilled the law.
Galatians 5:13
For, brethren, ye have been called to liberty; only use not liberty for an occasion to the flesh, but by love serve one another.
James 2:8
If ye fulfill the royal law according to the scripture, Thou shalt love thy neighbor as thyself, ye do well:

General references

John 15:12
This is my commandment, That ye love one another, as I have loved you.