learn any thing in 20 hours In briefly , the studies prof that you will be professional in some skills if you practice it in 10,000 hours , but if you want to become just good in it how require ? just 20 hours which equal to 45 minutes at day for month you can learn any thing you can allow this mechanism for efficient practice 1/deconstruct the skill which mean you should split the big job to small tasks and in every day focus in one task 2/learn enough to self correct which mean you should have two or three resource to learn through them ,but if you have a lot of resource you will procrastination 3/remove practice barriers which mean you should away from facebook , instagram , TV , internet or anything barriers you 4/practice at least 20 hours have funn :)