Titus 1:10-16 - Correct Whoever Teaches What Is Wrong
10 For there are many disorderly persons, vain-talkers and deceivers, especially those of the circumcision; whose mouths must be stopped: 11 who subvert whole families, teaching what they ought not, for shameful gain: 12 as said one of themselves, a prophet of their own, "The Cretans are always liars, mischievous beasts, sluggish gluttons."
13 This testimony is true: for which cause rebuke them sharply, that they may be found in the faith; 14 not attending to Jewish fables, and the precepts of men who turn away from the truth.
15 To the pure indeed all things are pure; but to the polluted and unbelieving nothing is pure; even their mind and conscience is polluted. 16 They profess to know God, but in works deny Him, being abominable and disobedient, and to every thing that is good void of understanding.