The history of human progress is largely a history of climatic changes.
人类进步的历史很大程度上是气候变化的历史。
我不必是人类才能理解生命的价值。
数学的统一性不是幻觉,而是等待被揭示的现实。
To be human is to be in conflict with oneself.
The greatest gift you can give someone is your time.