Issue of practice too much - http://www.bulletproofmusician.com/how-many-hours-a-day-should-you-practice/ https://beginnerguitarhq.com/guitar-practice-routine/

Do best is far more important than do much

http://headrush.typepad.com/creating_passionate_users/2006/03/multitasking_ma.html
http://headrush.typepad.com/creating_passionate_users/2006/03/some_quick_link.html

Step back a bit - http://traderfeed.blogspot.com/2016/04/perfecting-pause-from-emotions-to.html

Not goals.  Goal. - http://traderfeed.blogspot.hk/2016/09/turning-goals-into-priorities.html

http://traderfeed.blogspot.hk/2016/12/how-to-trade-with-peace-of-mind.html

Bias is a tool to prevent doing too much? https://betterhumans.coach.me/cognitive-bias-cheat-sheet-55a472476b18#.7t2feab3b

There's only one, and exactly one, item anyone should ever need on their to-do list. Everything else is superfluous. - http://www.codinghorror.com/blog/2012/10/todont.html

