1 Juan 2:4
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.
Context
This verse from 1 Juan Chapter 2 connects to 10 cross-references. Jesucristo el justo es nuestro abogado ante el Padre, la propiciación por nuestros pecados. Si guardamos sus mandamientos, en esto sabemos que le conocemos; quien dice que le conoce y no guarda sus mandamientos es mentiroso.
Otras traducciones
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;
he who is saying, `I have known him,' and his command is not keeping, a liar he is, and in him the truth is not;
The man who says, I have knowledge of him, and does not keep his laws, is false, and there is nothing true in him:
Referencias cruzadas
If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not …
He that saith he is in the light, and hateth his brother, is in darkness even until now.
If we say that we have not sinned, we make him a liar, and his word is not in us.
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
Israel hath cast off the thing that is good: the enemy shall pursue him.
Israel shall cry unto me, My God, we know thee.
And one of you say unto them, Depart in peace, be ye warmed and filled; notwithstanding ye give them not …
What doth it profit, my brethren, though a man say he hath faith, and have not works? can faith save …
They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good …