1 John 2:7 in the King James Version
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.
Context
6 he who says he remains in him ought himself also to walk just like he walked.
7 Brothers, I write no new commandment to you, but an old commandment which you had from the beginning. The old commandment is the word which you heard from the beginning.
8 Again, I write a new commandment to you, which is true in him and in you, because the darkness is passing away and the true light already shines.