The refineries that will thrive are those that see themselves as energy hubs, not just oil processors.
度过痛苦的唯一方法就是经历它。
The only way to deal with death is to transform everything that precedes it into art.
Your most unhappy customers are your greatest source of learning.
孩子们只有对自己发明的东西才有真正的理解,每当我们试图太快地教他们一些东西时,我们就阻止了他们自己去重新发明它。