I remembered The Fourteenth Book of Bokonon, which I had read in its entirety the night before. The Fourteenth Book is entitled, “What Can a Thoughtful Man Hope for Mankind on Earth, Given the Experience of the Past Million Years?”
It doesn’t take long to read The Fourteenth Book. It consists of one word and a period.
This is it:
— Kurt Vonnegut, Cat’s Cradle