Sustainability isn't an option; it's a responsibility we all share.
可持续性不是一种选择；它是我们共同的责任。
哲学上的错误比数学上的错误要严重得多。
我一直相信，只要你付出努力，结果就会到来。
If a doctrine is not unintelligible, it has to be vague; and if neither unintelligible nor vague, it has to be unverifiable.
做你自己，别人都已经有人做了。