1 John 2:4
He that saith, I know him, and keepeth 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 the darkness, we lie, and do not the truth;
Titus 1:16
They profess that they know God, but by their works they deny him, being abominable and disobedient, and for every good work reprobate.
James 2:14-16
What doth it profit, my brethren, if any one say that he hath faith, and have not works? Can his 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 saith he is in the light, and hateth his brother, is in the darkness until now.
1 John 4:20
If any one saith, I love God, and hateth his brother, he is a liar; for he that loveth not his brother, whom he hath seen, how can he love God, whom he hath not seen?