Titus 1:14-16

14 and no longer pay attention to Judaistic myths or to the commands of people who reject the truth.

15 To all who are themselves pure, everything is pure. But to those who are defiled and without trust, nothing is pure — even their minds and consciences have been defiled.

16 They claim to know God, but with their actions they deny him. They are detestable and disobedient; they have proved themselves unfit to do anything good.