Grit

Grit is persistence toward long-term goals despite setbacks, boredom, and the temptation to quit. Angela Duckworth defined it in research at the University of Pennsylvania: grit combines passion (consistent interest in a domain or aim) and perseverance (sustained effort and resilience when progress stalls or conditions get hard). Her work showed that grit often predicted achievement better than IQ or talent in contexts ranging from West Point cadets to National Spelling Bee finalists to salespeople. The finding is not that talent doesn't matter, but that without the willingness to stick — to keep showing up when it's unrewarding in the short run — talent underperforms.

Grit is not the same as stubbornness. Stubbornness is continuing when the goal is wrong or the path is futile. Grit is continuing when the goal is worth it and the path is hard. The distinction is in the feedback loop: gritty people adjust tactics and learn from failure; they don't double down on a dead end. They also tend to have a "growth mindset" — belief that ability can improve with effort — which makes setbacks feel like information rather than verdicts.

In building and scaling, grit shows up as the capacity to endure the troughs: the slow grind of early traction, the repeated "no" in fundraising, the months when the product doesn't click, the reorgs and pivots that test commitment. Founders and teams that quit at the first or second major setback rarely get to see whether the idea could have worked. Grit is the variable that keeps them in the game long enough to learn and adapt. It doesn't guarantee success — bad ideas and bad execution can persist too long — but it is a necessary condition for the kind of success that requires years of iteration.

The practical implication: grit can be cultivated. Duckworth's research suggests that it is partly heritable but also responsive to environment and identity. People who see themselves as "the kind of person who finishes" and who tie effort to purpose (a higher-level goal or value) tend to show more grit. So do people in contexts that normalise struggle and provide support rather than shame for failure.