Patience in parkour
It is widely accepted that it takes 10 000 hours of “deliberate practice” to become world class in any field. To give a real world example it takes a student on average 5-7 years to completes most types of Ph.D.’s and 8,2 years for a M.D.-Ph.D.. This includes studying an average of 40 hours a week for 40 weeks a year accumulating