Necessary Losses: The Life-Shaping Art of Letting Go

“The art of losing isn’t hard to master,” Elizabeth Bishop wrote in one of the great masterpieces of poetry. “Every mortal loss is an Immortal Gain,” William Blake wrote two centuries before her in his beautiful letter to a bereaved father.

We dream of immortality because we are creatures made of loss — the death of the individual is what ensured the survival of the species along the evolutionary vector of adaptation — and made for loss: All of our creativity, all of our compulsive productivity...