Geoff Colvin

“Expertise grows from deliberate practice, not from time spent repeating comfortable performance.”

“The most valuable practice targets weaknesses that ordinary experience lets you avoid.”

“Feedback must arrive close enough to the attempt that the next attempt can change.”

“Great performers build mental models that let them see patterns novices miss.”

“Practice should be difficult enough to stretch attention but specific enough to correct.”

“Motivation matters because deliberate practice is rarely fun in the casual sense.”

“Talent is a less useful question than whether the training design forces improvement.”