野心是人类心中最后死去的情感。

The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.

世界是一个黑暗的地方，但其中也有光明。你只需要去寻找。

预测未来的最好方法就是自己创造未来。

自然科学是一种通过描述自然来理解自然的尝试。