"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

The only way to do great work is to love what you do.

空白页是世界上最可怕又最令人兴奋的东西。

In the landscape of string theory, there are perhaps 10^500 different vacuum states, each corresponding to a different possible universe.

希望是栖息在灵魂中的羽毛。