Thematic Bible: Whose conscience is defiled

For there are indeed many unruly men, vain talkers and deceivers, especially those of the circumcision, whose mouth you must stop, who subvert whole houses, teaching things not right for the sake of ill gain. One of them, a prophet of their own, said, Cretans are always liars, evil beasts, lazy gluttons. read more.
This witness is true; for which cause convict them sharply, so that they may be sound in the faith, not giving heed to Jewish myths and commandments of men, turning away from the truth. To the pure all things are pure. But to those who are defiled and unbelieving nothing is pure, but even their mind and conscience is defiled.