There is no well-defined boundary between honesty and dishonesty. The frontiers of one blend with the outside limits of the other, and he who attempts to tread this dangerous ground may be sometimes in one domain and sometimes in the other. – O. Henry, Rolling Stones, 1912

People who are brutally honest get more satisfaction out of the brutality than out of the honesty. – Richard J. Needham

Nothing resembles an honest man more than a cheat. – Proverb

If falsehood, like truth, had but one face, we would be more on equal terms. For we would consider the contrary of what the liar said to be certain. But the opposite of truth has a hundred thousand faces and an infinite field. – Michel Eyquem de Montaigne