The truth is, I don't know where my ideas come from. What I do know is that they come when I'm not trying to think of them.
人生在世,贵在勤劳。勤劳就不会贫乏。
地理学的研究是对地球作为人类居住地的研究。
可持续性不是一种选择,而是我们对后代的责任。
The universe is under no obligation to make sense to you.