The only way you can dedicate yourself completely to something—to be all in, every single day, leaving nothing on the table—is if you’re passionate about it. You have to love it. The people who make it to the top—whether they’re musicians, athletes, or CEOs—are addicted to their calling. They jump out of bed every morning excited about doing their work. Not that they consider it work; they’re the ones who’d be doing whatever it is they love, even if they weren’t being paid.
