We are what we repeatedly do. Excellence, then, is not an act, but a habit.

我们不是从祖先那里继承了地球；我们是从子孙那里借来的。

Olympism... exalting and combining in a balanced whole the qualities of body， mind and will.

符号的解释是所有推理的基础。

"Illustrations should whisper secrets to the reader, not shout the obvious."

自然是所有化学变化得以实现的伟大实验室。

数学中最令人兴奋的时刻是当你发现一些隐藏在显而易见之处的东西。