Hey Reader! When I was a kid, I wanted to graduate high school at 15, win my first Oscar by 18, and then spend my adulthood winning a Nobel prize, publishing some novels and maybe curing cancer in my spare time. I wasn’t afraid to dream big. But somewhere along the way, probably the first time someone laughed at my ambitions, I started feeling like maybe I shouldn’t dream so large. “Be realistic,” said a lot of well-meaning folks. And so, over the years, my dreams got small. But here’s the...