1 John 2:4
The one who says "I have come to know him," and does not keep his commandments is a liar, and the truth is not in this person.
1 John 1:8
If we say that we do not have 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 practice the truth.
Hosea 8:2-3
They cry out to me, "My God! We, Israel, know you!"
Titus 1:16
They profess to know God, but by their deeds they deny [him], [because they] are detestable and disobedient, and unfit for every good deed.
James 2:14-16
What [is] the benefit, my brothers, if someone says [that he] has faith but does not have works? That faith [is] not able to save him, [is it]?
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
The one who says [he] is in the light and hates his brother is in the darkness until now.
1 John 4:20
If anyone says, "I love God," and hates his brother, he is a liar, for the one who does not love his brother whom he has seen is not able to love God whom he has not seen.