"The best stories are those that make you feel something deep inside."

如果退一步能进两步，我绝不害怕后退。

Heredity is nothing, environment is everything.

实现不可能的唯一方法就是相信它是可能的。

The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.

数学家的工作大多是孤独的追求，但它建立在许多其他人的工作之上。