理解宇宙不仅需要智慧，还需要想象力。

我不是时尚人士。我是反时尚的。

Your work will be endless， but your time is finite. You cannot limit the work so you must limit your time. Hours are the only thing you can manage.

真正的进步发生在我们平衡经济增长与环境管理之时。