对感受者来说，世界是悲剧；对思考者来说，世界是喜剧。
"The world is a tragedy to those who feel, but a comedy to those who think."
The only way to learn mathematics is to do mathematics.
the only thing we have to fear is fear itself.
A day wasted on others is not wasted on one's self.
专家就是在一个非常狭窄的领域里犯了所有可能犯的错误的人。
理解心灵需要理解符号如何根植于感知和行动。
能源独立不仅仅是一个目标；它是国家安全的必需品。
在冬天的深处，我发现我内心有一个不可战胜的夏天。
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.