1 John 2:4
He that says, I know him, and keeps not his commandments, is a liar, and the truth is not in him.
1 John 1:8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
1 John 1:6
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth.
Titus 1:16
They profess that they know God, but in their works they deny him, being detestable and disobedient, and, as it respects every good work, rejected.
James 2:14-16
What profit is there, my brethren, if any one say he has faith, and have not works? Can faith save him?
1 John 1:10
If we say that we have not sinned, we make him a liar, and his word is not in us.
1 John 2:9
He that says he is in the light, and hates his brother, is in darkness till now.
1 John 4:20
If any man say, I love God, and yet hate 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?