追求幸福不是追逐快乐，而是培养意义。

In physics, we often find that the most beautiful solutions emerge from the messiest problems.

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

获得自由的唯一方式是服务。

好的建筑是让城市变得更好的建筑。

To understand the universe, you must understand the language in which it is written, and that language is mathematics.