He who can, does. He who cannot, teaches.

The bitterest creature under heaven is the wife who discovers that her husband's bravery is only bravado.

The most exciting discoveries often come from paying attention to unexpected results.

理解黑洞就是理解宇宙的结构本身。

真理不会在愤怒中被说出。如果有朝一日真理被说出，那一定是在爱中。