# 10000 hour rule It takes 10K hours to get to the top of an ultra-competitive field in a very narrow subject. - Came out of studies of expert-level performance - K. Anders Ericsson, Florida States University - Studied professional atheletes, world-class musicians, etc - Ultra-competitive people at the top of their respective fields - The more deliberate practice, the more time they spent practicing, the better they got - Practice a lot, practice well, and you will do extremely well ![[20220524015557 performance time vs practice time.png]] - When you start, it takes a lot of time to do something new - With more practice, it takes less and less time The [[20 hour rule]] is another way to look at this.