没有战略的公司愿意尝试任何事情。

I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.

The universe is a vast and mysterious place, and we are only beginning to understand its complexities.

我不是那种会让我的比赛水平下降的人。

我们是真正的国家，不是地图上以强人之名划定的边界。

True leadership means having the courage to make unpopular decisions when they're the right ones.

伟大来自于坚持和努力。

里氏替换原则是面向对象编程中的一个基本概念，它指出子类的对象应该能够替换超类的对象而不影响程序的正确性。