Virginibus Puerisque IV: The Truth of Intercourse (Unabridged)

Robert Louis Balfour Stevenson was a Scottish novelist, poet, and travel writer, and a leading representative of English literature. He was greatly admired by many authors, including Jorge Luis Borges, Ernest Hemingway, Rudyard Kipling and Vladimir Nabokov.
VIRGINIBUS PUERISQUE IV: THE TRUTH OF INTERCOURSE: Among sayings that have a currency in spite of being wholly false upon the face of them for the sake of a half-truth upon another subject which is accidentally combined with the error, one of the grossest and broadest conveys the monstrous proposition that it is easy to tell the truth and hard to tell a lie.