Every violation of truth is not only a sort of suicide in the liar

Every violation of truth is not only a sort of suicide in the liar, but is a stab at the health of human society. — Ralph Waldo Emerson, 1803 – 1882, American philosopher, essayist, and poet. Image: By Brenda Clarke (Knife 3Uploaded by Partyzan_XXI) [CC BY 2.0 ], via Wikimedia Commons

The truth is rarely pure

and never simple.
— Oscar Wilde