1 John 2:4
He who says, 'I know him,' but does not obey his commands, is a liar and the truth is not in him;
1 John 1:8
If we say, 'We are not guilty,' we are deceiving ourselves and the truth is not in us;
1 John 1:6
If we say, 'We have fellowship with him,' when we live and move in darkness, then we are lying, we are not practising the truth;
Titus 1:16
They profess to know God, but they deny him by their deeds; they are detestable, disobedient, and useless for good work of any kind.
James 2:14-16
My brothers, what is the use of anyone declaring he has faith, if he has no deeds to show? Can his faith save him?
1 John 1:10
if we say, "We have not sinned," we make him a liar and his word is not within us.
1 John 2:9
He who says he is 'in the light' and hates his brother, is in darkness still.
1 John 4:20
If anyone declares, 'I love God,' and yet hates his brother, he is a liar; for he who will not love his brother whom he has seen, cannot possibly love the God whom he has never seen.