Some people like bitter chocolate and some prefer sweet. Ancient Mayans in Central America enjoyed chocolate as a beverage and seasoned it with chili peppers. They liked this “bitter water,” as they called it. Many years later it was introduced in Spain, but the Spaniards preferred chocolate sweet, so they added sugar and honey to counteract its natural bitterness.

Like chocolate, days can be bitter or sweet too. A seventeenth-century French monk named Brother Lawrence wrote, “If we knew how much [God] loves us, we would always be ready to receive equally . . . from His hand the sweet and…