1 John 2:1–9

My little children, these things write I unto you that ye may not sin. And if any man sin, we have an Advocate with the Father, Jesus Christ the righteous: ²and he is the propitiation for our sins; and not for ours only, but also for the whole world. ³And hereby we know that we know him, if we keep his commandments. ⁴He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him; ⁵but whoso keepeth his word, in him verily hath the love of God been perfected. Hereby we know that we are in him: ⁶he that saith he abideth in him ought himself also to walk even as he walked.

⁷Beloved, no new commandment write I unto you, but an old commandment which ye had from the beginning: the old commandment is the word which ye heard. ⁸Again, a new commandment write I unto you, which thing is true in him and in you; because the darkness is passing away, and the true light already shineth. ⁹He that saith he is in the light and hateth his brother, is in the darkness even until now.