1 John 2:7-8

7 Beloved, I am writing you no new commandment, but an old commandment that you have had from the beginning; the old commandment is the word that you have heard.
8 Yet I am writing you a new commandment that is true in him and in you, because the darkness is passing away and the true light is already shining.

1 John 2:7-8 In-Context

5 but whoever obeys his word, truly in this person the love of God has reached perfection. By this we may be sure that we are in him:
6 whoever says, "I abide in him," ought to walk just as he walked.
7 Beloved, I am writing you no new commandment, but an old commandment that you have had from the beginning; the old commandment is the word that you have heard.
8 Yet I am writing you a new commandment that is true in him and in you, because the darkness is passing away and the true light is already shining.
9 Whoever says, "I am in the light," while hating a brother or sister, is still in the darkness.
10 Whoever loves a brother or sister lives in the light, and in such a person there is no cause for stumbling.

Footnotes 1

New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.