所有尘世的存在最终都必须被包含在一本书中。
艺术不是关于美，而是关于真理。
真空不仅仅是空的空间，而是一个具有自身物理特性的复杂实体。
The best time to plant a tree was 20 years ago. The second best time is now.
数学是给不同事物起相同名字的艺术。
The greatest happiness which can happen to any country is the taking of the supreme power out of the hands of the governing few and putting it into the hands of the governed many.
I pursue no objectives, no systems, no tendency; I have no program, no style, no direction.