1 John 2:7

Beloved, I am not writing a new commandment to you, but an old commandment which you have had from the beginning; the old commandment is the word which you have heard.

1 John 3:11

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

Leviticus 19:18

You shall not take vengeance, nor bear any grudge against the sons of your people, but you shall love your neighbor as yourself; I am the Lord.

2 John 1:5-6

Now I ask you, lady, not as though I were writing to you a new commandment, but the one which we have had from the beginning, that we love one another.

Leviticus 19:34

The stranger who resides with you shall be to you as the native among you, and you shall love him as yourself, for you were aliens in the land of Egypt; I am the Lord your God.

Deuteronomy 6:5

You shall love the Lord your God with all your heart and with all your soul and with all your might.

Matthew 5:43

You have heard that it was said, ‘You shall love your neighbor and hate your enemy.’

Matthew 22:37-40

And He said to him, “‘You shall love the Lord your God with all your heart, and with all your soul, and with all your mind.’

Mark 12:29-34

Jesus answered, “The foremost is, ‘Hear, O Israel! The Lord our God is one Lord;

Acts 17:19

And they took him and brought him to the Areopagus, saying, “May we know what this new teaching is which you are proclaiming?

Romans 13:8-10

Owe nothing to anyone except to love one another; for he who loves his neighbor has fulfilled the law.

Galatians 5:13-14

For you were called to freedom, brethren; only do not turn your freedom into an opportunity for the flesh, but through love serve one another.

James 2:8-12

If, however, you are fulfilling the royal law according to the Scripture, “You shall love your neighbor as yourself,” you are doing well.

1 John 2:24

As for you, let that abide in you which you heard from the beginning. If what you heard from the beginning abides in you, you also will abide in the Son and in the Father.

1 John 3:23

This is His commandment, that we believe in the name of His Son Jesus Christ, and love one another, just as He commanded us.

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 which you have heard from the beginning, that we should love one another;
Acts 17:19
And they took him and brought him to the Areopagus, saying, “May we know what this new teaching is which you are proclaiming?
2 John 1:5
Now I ask you, lady, not as though I were writing to you a new commandment, but the one which we have had from the beginning, that we love one another.

But

Leviticus 19:18
You shall not take vengeance, nor bear any grudge against the sons of your people, but you shall love your neighbor as yourself; I am the Lord.
Deuteronomy 6:5
You shall love the Lord your God with all your heart and with all your soul and with all your might.
Matthew 5:43
You have heard that it was said, ‘You shall love your neighbor and hate your enemy.’
Matthew 22:37
And He said to him, “‘You shall love the Lord your God with all your heart, and with all your soul, and with all your mind.’
Mark 12:29
Jesus answered, “The foremost is, ‘Hear, O Israel! The Lord our God is one Lord;
Romans 13:8
Owe nothing to anyone except to love one another; for he who loves his neighbor has fulfilled the law.
Galatians 5:13
For you were called to freedom, brethren; only do not turn your freedom into an opportunity for the flesh, but through love serve one another.
James 2:8
If, however, you are fulfilling the royal law according to the Scripture, “You shall love your neighbor as yourself,” you are doing well.

General references

John 15:12
“This is My commandment, that you love one another, just as I have loved you.