Piety and corruption go together like hot dogs and mustard. They have to. No one can fulfill the demands of piety; as a daily demand, it is inhuman. So it inspires the opposite—just for the sheer health of the body, if not the soul. – Norman Mailer, “Primitive Man, Art and Science, Evil and Judgment,” The Spooky A

Do not be too moral. You may cheat yourself out of much life so. Aim above morality. Be not simply good; be good for something. – Henry David Thoreau

Sin is commitable in thought, word or deed; so is virtue. – Martin H. Fischer (1879–1962)

But do not let immorality or any impurity or greed even be named among you, as is proper among saints. Ephesians 5:3 – Bible