The important thing in life is not victory but combat； it is not to have vanquished but to have fought well.

The Neanderthals are not extinct; they live on in us.

"To give is to receive, to love is to be loved, and to live is to let live."

理论物理学的美在于它能够揭示支配宇宙的隐藏对称性和模式。

重要的东西用眼睛是看不到的……就好比花一样。假如你喜欢某个行星上的一朵花，在夜晚仰望星空的时候心情就会很愉快，感觉所有的行星都开满了花。

阅读的行为是一种勇气的行为。