啊，但一个人的追求应超越他的能力，否则天堂有何用？
Ah, but a man's reach should exceed his grasp, or what's a heaven for?
The best argument I know for an immortal life is the existence of a man who deserves one.
The core of the poverty trap: Today’s hunger steals tomorrow’s productivity.
写作是夺回时间的一种方式。
The challenge is to design spaces that serve people without dominating them.
I am interested in the transformation of substances.