“The secret to continued improvement, it turns out, isn?t the amount of time invested but the quality of that time.
“… the main predictor of success is deliberate practice ? persistent training to which you give your full concentration rather than just your time, often guided by a skilled expert, coach, or mentor. It?s a qualitative difference in how you pay attention, not a quantitative measure of clocking in the hours.
“… If you?re going for genius, you need to continually shift away from autopilot and back into active, corrective attention…”
Maria Popova, Debunking the Myth of the 10,000-Hours Rule: What It Actually Takes to Reach Genius-Level Excellence, on BrainPickings
I apply the same principle to chocolate: quality not quantity.