Progress is impossible without change, and those who cannot change their minds cannot change anything.
没有改变就不可能进步，而无法改变思想的人也无法改变任何事。
积极心理学不是一项观赏性运动。
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
我写作是为了揭露自己，理解自己。