In her account of tenth-century Kyoto court life, The Pillow Book, Sei Shōnagon was fond of making lists. “Things later regretted: an adopted child who turns out to have an ugly face”; “Things it’s frustrating and embarrassing to witness: someone insists on telling you about some horrid little child, carried away with her own infatuation with the creature, imitating its voice as she gushes about the cute and winning things it says”; “Moving things: a child dressed in mourning for a parent.”

The third-century Greek biographer Diogenes Laërtius stated that one of the favorite sayings of Antisthenes was, “The fellowship of brothers of one mind was stronger than any fortified city.” Laërtius also recalled an anecdote about Socrates—when asked by a young man if he should marry or not, the philosopher replied, “Whichever you do, you will regret it.”

“Have you been eating candy?” President John F. Kennedy asked his daughter Caroline before a dinner during the Cuban Missile Crisis. She did not reply. He inquired again and was ignored. “Caroline,” the commander in chief said, “answer me. Have you been eating candy—yes, no, or maybe?”

“What theological objections could the pope himself raise to a birth-control method that simply permitted parents to choose a son in preference to a daughter? After all, God did,” reasoned Clare Boothe Luce, a playwright and U.S. congresswoman, in an article published in the Washington Star in 1978, promoting the use of a hypothetical “man-child pill” that would control population growth by ensuring the birth of a boy.