1 John 2:7

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

1 John 3:11

Because this is the message which you heard from the beginning, that we must love one another,

2 John 1:5-6

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

Matthew 5:43

You have heard that it was said, Thou shalt love thy neighbor and hate thine enemy.

Matthew 22:37-40

And He 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 responded to him, The first commandment of all; Hear, O Israel; The Lord our God, is one Lord:

Acts 17:19

And taking him, they led him to the Areopagus, saying; Are we able to know what is this new teaching, spoken by thee?

Romans 13:8-10

Owe no man anything, but to love one another with divine love: for the one loving another with divine love has fulfilled the law.

Galatians 5:13-14

For you were called unto liberty, brethren; only use not the liberty unto an occasion to the flesh, but through divine love serve one another.

James 2:8-12

If indeed you keep the royal law according to the scripture, Thou shalt love thy neighbor with divine love as thyself, you do well.

1 John 2:24

Let that which you heard from the beginning abide in you. If that which you heard from the beginning may abide in you, you also are abiding in the Son, and in the Father.

1 John 3:23

And this is his commandment, that we may believe in the name of his Son Jesus Christ, and we may love one another with divine love, as he has given to 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
Because this is the message which you heard from the beginning, that we must love one another,
Acts 17:19
And taking him, they led him to the Areopagus, saying; Are we able to know what is this new teaching, spoken by thee?
2 John 1:5
And now I entreat thee, O Cyria, not as writing to thee a new commandment, but that which we had from the beginning, that we love one another with divine love.

But

Matthew 5:43
You have heard that it was said, Thou shalt love thy neighbor and hate thine enemy.
Matthew 22:37
And He 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 responded to him, The first commandment of all; Hear, O Israel; The Lord our God, is one Lord:
Romans 13:8
Owe no man anything, but to love one another with divine love: for the one loving another with divine love has fulfilled the law.
Galatians 5:13
For you were called unto liberty, brethren; only use not the liberty unto an occasion to the flesh, but through divine love serve one another.
James 2:8
If indeed you keep the royal law according to the scripture, Thou shalt love thy neighbor with divine love as thyself, you do well.

General references

John 15:12
This is my commandment, that you may love one another, as I loved you.