> If you only work a minimum number of hours within your field, you are unlikely to emerge as one of the peak achievers or thought leaders in your field. That's

> If you only work a minimum number of hours within your field, you are unlikely to emerge as one of the peak achievers or thought leaders in your field. That's just because you learn more from experience, and working more hours gives you more experience. Doesn't jibe with my experience. The best people I've met have broad curiosity and variety of interests that synergize to make them what they are. This may drive them to spend more time practicing their craft but that's an effect, not a cause. The raw number of hours with one's butt in an office chair is irrelevant unless it's used wisely.