15/06/2026
What predicts success more reliably than talent, intelligence, or background?
Grit.
Angela Duckworth's research across military cadets, elite students, teachers, and salespeople found the same pattern in every domain: the people who succeeded weren't necessarily the most talented. They were the most persistent.
Her effort equation captures it simply:
Talent × Effort = Skill
Skill × Effort = Achievement
Effort counts twice.
The book also introduces the concept of wise coaching — being both demanding and supportive simultaneously. Four decades of research shows this combination consistently produces stronger outcomes in individuals and teams.
This is essential reading for anyone responsible for developing others — leaders, coaches, and organisations.
Our full review explores the key ideas and how they apply to leadership, team development, and sustained performance.
👉 Read the full review here:
Talent gets you to the start line. Effort gets you across the finish. Angela Duckworth's Grit is built on a simple but powerful idea: the most reliable predictor of long-term success isn't talent, intelligence, or background. It's grit — sustained passion and perseverance for long-term goals. This...