1 John 2:4
He that says, I have known him, and keeps not his commandments, is a liar, and the truth is not in him;
1 John 1:8
If we say we have not 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 observe not the truth;
Titus 1:16
They profess to know God, but by works deny him, being abominable and disobedient, and as to every good work reprobate.
James 2:14-16
What is the profit, my brothers, if a man says he has faith, but has 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 one says, 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?