1 John 2:7
Brethren, I do not write a new commandment to you; but an old commandment, which you had from the beginning. The old commandment is the word, which you have heard from the beginning.
1 John 3:11
For this is the message which you have heard from the beginning, that we should love one another.
2 John 1:5-6
And now I beseech you, Cyria, not as writing to you a new commandment, but that which we had from the beginning, that we love one another.
1 John 2:24
Therefore, let what you have heard from the beginning abide in you. If what you have heard from the beginning, abide in you; you also shall abide in the Son, and in the Father:
1 John 3:23
For this is his commandment, that we should believe on the name of his Son, Jesus Christ, and should love one another as he gave us commandment.