From Strength to Strength

Your professional decline is coming sooner than you think, writes Arthur Brooks in his new book From Strength to Strength. It may have already happened. In almost every high-skill profession, decline sets in between one’s late thirties and early fifties. The problem is a decline in our fluid intelligence: the ability to reason, think flexibly, and solve new problems.

We often try to fight or deny this decline, but it’s inevitable, and it will flatten us if we’re not prepared. Those who ha...