James 1:26

But if anyone considers himself to be religious, but he does not restrain his tongue, but instead seduces his own heart: such a one’s religion is vanity

Other versions

King James Version

If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.

English Standard Version

If anyone thinks he is religious and does not bridle his tongue but deceives his heart, this person's religion is worthless.

New International Version

If anyone considers himself religious and yet does not keep a tight rein on his tongue, he deceives himself and his religion is worthless.