Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.

作家的职责是严谨、诚实地写作，永不妥协。

"The world is a book, and those who do not travel read only one page."

"The power of a story is that it can change the way you see the world."

生命中唯一不变的是变化。

数学的本质在于它的自由。

决策的质量不是由其结果来衡量，而是由做出决策的过程来衡量。