The most elegant theories are useless if they don't correspond to reality.
The quality of an organization's learning determines the quality of its improvement.
我宁愿30投0中,也不愿意9投0中。9投0中意味着你被自己打败了,被比赛吓得不知所措……唯一的解释就是,你已经对自己丧失信心。