Grumpy Old Geeks Topics 10,000 hours of practice Topic 10,000 hours of practice 2 mentions in 1 episode The claim that extensive practice leads to mastery, which the hosts discuss and question. Mentions 66: German Potato Salad Jul 11, 2014 4:35 10,000 hours of practice is not the magic number 5:43 you do have to practice a lot to become a master