4 He that says, I know him, and keeps not his commandments, is a liar, and the truth is not in him.
1 John 2:4 Cross References - UKJV
Hosea 8:2-3
Titus 1:16
16 They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.
James 2:14-16
14 What does it profit, my brethren, though a man say he has faith, and have not works? can faith save him?
15 If a brother or sister be naked, and destitute of daily food,
16 And one of you say unto them, Depart in peace, be all of you warmed and filled; notwithstanding all of you give them not those things which are necessary to the body; what does it profit?
1 John 1:6
6 If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
1 John 1:8
8 If we say that we have no sin, we deceive ourselves, and the truth is not in us.
1 John 1:10
10 If we say that we have not sinned, we make him a liar, and his word (o. logos) is not in us.
1 John 2:9
9 He that says he is in the light, and hates his brother, is in darkness even until now.
1 John 4:20
20 If a man say, I love God, and hates his brother, he is a liar: for he that loves not his brother whom he has seen, how can he love God whom he has not seen?