“Only one who devotes himself to a cause with his whole strength and soul can be a true master. For this reason mastery demands all of a person.” - Albert Einstein Post written by Leo Babauta. Follow me on Twitter. Very often youll see blog posts or books teaching you to master a skill in only 10 days, or 3 daysin fact, it used to be 30 days but the time frame to master something seems to be shrinking rapidly. Ive even seen tutorials claiming to teach a skill in just a few hours. Pretty soon wel