Life is about growth and change. When you stop growing, you stop living.

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

What can be said at all can be said clearly; and whereof one cannot speak thereof one must be silent.

女人是用来被爱的，不是用来被理解的。

我拍电影不是为了给出答案，而是为了提出问题。

For every expert there is an equal and opposite expert, but for every fact there is not necessarily an equal and opposite fact.

里氏替换原则是面向对象编程中的一个基本概念，确保派生类可以替代其基类使用，而不会改变程序的正确性。