Bibliophilic bishop Richard de Bury lamented the burning of the Library of Alexandria. “Who would not shudder at such a hapless holocaust, where ink is offered up instead of blood,” he wrote in 1344, “where the devouring flames consumed so many thousands of innocents?”

When Albert Einstein visited Beno Gutenberg, a seismologist at Caltech, in 1933, the two strolled around the Pasadena campus while Gutenberg explained earthquake science. Suddenly their wives arrived to inform them there had been a massive earthquake. “We had become so involved in seismology,” recalled Gutenberg later, “that we hadn’t noticed.”

Arthur Schopenhauer referred to insurance as “a public sacrifice made on the altar of anxiety.”

In 1919 a steel storage tank burst in Boston and spilled 2.3 million gallons of molasses, creating a twenty-five-foot-high wave that killed twenty-one people and tore buildings from foundations. The tank had leaked since its installation, but the company had, in response to complaints, merely painted it a concealing brown.

Astrologers of the Ayyubid Empire predicted in 1186 that the world would end September 16 of that year; a dust storm, stirred up by planetary alignment, would scour the earth of life. Sultan Saladin criticized the “feeble minds” of believers and planned an open-air, candlelit party for that evening. “We never saw a night as calm as that,” an attendee later remarked.