The first seven weeks are the hardest. Every year, roughly 20 percent of cadets at the United States Military Academy at West Point drop out, most of them within the first two months. They had spent years preparing for admission, selected from a pool of 14,000 applicants. Yet in the middle of basic training, they quit. The question that forces itself forward: what separates those who hold on from those who do not?
It is not intelligence. It is not physical fitness. It is not leadership ability either. The answer lies in a quality that long stood in the shadow of classic success factors: grit. Psychologist Angela Duckworth of the University of Pennsylvania coined and researched the term. Grit means the combination of passionate perseverance with long-term goal pursuit. A kind of toughness that enables people to keep going when everyone else has long since given up.
When Talent Is Not Enough
We live in a society that worships talent. Aptitude, IQ, natural ability, these are the currencies in which we measure potential. Yet Duckworth found in her research that intelligence alone explains success only inadequately. There are brilliant people who achieve little. And there are people with average scores who accomplish extraordinary things.
A study among students at an elite university revealed a paradoxical effect. The more intelligent participants tended to have less grit than their peers with lower test scores (Journal of Personality and Social Psychology, 2007). The explanation: those who are not naturally brilliant often compensate through harder work and greater persistence.
Grit consists of two components. First: perseverance of effort, staying with tasks even when they become difficult. Second: consistency of interests, the ability to keep interests stable over a longer period. Those who combine both facets possess a decisive resource for long-term success.
"Our potential is one thing. What we do with it is quite another." (Angela Duckworth)
What the Research Shows
Duckworth developed the Grit Scale, a questionnaire that measures the degree of perseverance. Statements such as "Setbacks don't discourage me" or "I have overcome obstacles to conquer an important challenge" are rated on a scale. The result: a person's grit score is highly predictive of performance under pressure.
Among West Point cadets, grit was the strongest predictor of who would survive the gruelling basic training known as "Beast Barracks." More important than intelligence, more important than physical condition. At the Scripps National Spelling Bee, the famous US spelling competition, candidates with the highest grit scores most often reached the final. Not because they were smarter or had better memories. But because they practised longer and more consistently.
The findings are robust, yet they also raise questions. Critics point out that grit is difficult to separate from other personality traits such as conscientiousness or diligence. There is also a risk of overlooking structural disadvantage. Someone who grows up in precarious circumstances gains little from persistence alone if the surrounding conditions are absent. Duckworth herself emphasises: grit and fair opportunities must go hand in hand.
Can Toughness Be Trained?
The good news: grit is not set in stone. Older people tend to score higher in studies than younger people, suggesting that perseverance increases over the course of a life. Duckworth is convinced that grit can be deliberately developed. She identifies four starting points: cultivating one's own interests; daily practice aimed at improving performance; finding a larger, purpose-giving goal; and the ability to deal constructively with setbacks.
That may sound like a classic self-optimisation manual. But there is a difference. This is not about short-term motivation or quick wins. Grit means pursuing a goal so meaningful that it structures almost everything else and gives deep purpose. A marathon runner does not train for the next race. They train because running is part of their identity.
"Successful people have a kind of fierce determination. They are unusually resilient and hardworking. And they know very clearly what they want."
When Perseverance Becomes a Trap
A word of caution: grit is no cure-all. Someone who clings rigidly to a goal that turns out to be wrong or unattainable wastes precious time. Perseverance can tip into the destructive when it becomes stubbornness. The art lies in distinguishing between meaningful endurance and pointless grinding.
Grit must not serve as an excuse to ignore social inequality either. If success were purely a matter of inner attitude, societies could dodge their responsibility to create fair conditions. Duckworth herself founded Character Lab, a non-profit organisation that uses scientific insights to help children and young people, especially those from disadvantaged backgrounds.
What This Means in Everyday Life
Careers are marathons, not sprints. Building qualifications, enduring dry spells, seeing projects through to the end, all of this requires grit. Particularly when quick rewards are absent. Further training alongside a job, long project phases, transformation processes, all of it demands the capacity to keep going even without immediate feedback.
The question, then, is not whether one is gifted enough. The question is whether one is willing to keep going long enough. That sounds obvious. But it is the simplest and at the same time hardest truth about human performance. Those who quit when things get tough will never find out what they could have been capable of.
Perseverance With Perspective
What remains in the end is a nuanced picture. Grit is an important resource. But it replaces neither talent nor favourable conditions. It is no guarantee of success. And applied wrongly, it can do more harm than good. Yet anyone who wants to achieve something over the long run cannot escape one insight: the road is long. And only those who walk it arrive.
Duckworth herself was a maths teacher before her academic career. She observed that the students who worked hardest often produced the best results. A simple observation. But it led to a research question whose effects are still felt today. And perhaps that is itself an example of grit: what counts is not the brilliant idea. It is the persistence with which you pursue it. Even when the road is rocky.

