1 John 2:4
The one who says "I have come to know God" and yet does not keep his commandments is a liar, and the truth is not in such a person.
1 John 1:8
If we say we do not bear the guilt of sin, we are deceiving ourselves and the truth is not in us.
1 John 1:6
If we say we have fellowship with him and yet keep on walking in the darkness, we are lying and not practicing the truth.
Hosea 8:2-3
Israel cries out to me, "My God, we acknowledge you!"
Titus 1:16
They profess to know God but with their deeds they deny him, since they are detestable, disobedient, and unfit for any good deed.
James 2:14-16
What good is it, my brothers and sisters, if someone claims to have faith but does not have works? Can this kind of faith save him?
1 John 1:10
If we say we have not sinned, we make him a liar and his word is not in us.
1 John 2:9
The one who says he is in the light but still hates his fellow Christian is still in the darkness.
1 John 4:20
If anyone says "I love God" and yet hates his fellow Christian, he is a liar, because the one who does not love his fellow Christian whom he has seen cannot love God whom he has not seen.