The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

对于世界而言，你是一个人；但是对于某个人，你是他的整个世界。

"To choose doubt as a philosophy of life is akin to choosing immobility as a means of transportation."

Geometry is knowledge of the eternally existent.

科学中真正的挑战不仅是理解自然，而且是利用自然来改善人类。

我把声音留给了舞台。在现实生活中我不怎么说话。

Life was simple before World War II. After that, we had systems.