It's not what you achieve, it's what you overcome. That's what defines your career.
The real sting here is that achievement—trophies, titles, the things we list on résumés—tells us almost nothing about character or grit. What matters is the specific gravity of what stood in your way. Carlton Fisk, a catcher who played into his mid-forties through persistent injury and doubt, understood that a modest victory won through stubborn resistance teaches you something a handed gift never could. When a middle manager finally speaks up in a meeting after years of self-doubt, that small act of overcoming shapes her more profoundly than a promotion handed down from above ever would.