In the 1860s, toward the end of his life, “father of computing” Charles Babbage “never abstained from the publication of his sentiments when he thought that his silence might imply his approbation,” wrote his friend Harry Buxton, “nor did he ever take refuge in silence when he believed it might be interpreted as cowardice.”

“A peaceable person,” wrote Brazilian novelist Jorge Amado in The Discovery of America by the Turks, intended for publication in 1992 for the five-hundredth anniversary of 1492, “can’t take the smallest step or blow the slightest fart without the fifth centenary landing on his head.”

In 1986 a Greek professor encountered a previously unknown word while deciphering a fifth-century lexicon olisbokollix, meaning “loaf-of-bread dildo.” Later discovery of vase paintings showing women carrying baskets of phallus-shaped loaves confirmed the word had been understood correctly.

In his autobiographical novel Boyhood, Leo Tolstoy describes his youthful joy in philosophical abstraction: “I frequently imagined myself a great man, who was discovering new truths for the good of mankind, and I looked on all other mortals with a proud consciousness of my dignity.” His euphoria didn’t last. “Strange to say,” he wrote, “whenever I came in contact with these mortals, I grew timid.” Soon he was “ashamed of every simplest word and motion.”