生活里有两个悲剧:一个是没有得到我们想要的;另外一个是得到了。
There are only two tragedies in life: one is not getting what one wants and the other is getting it.
There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.
The most elegant proofs are those that reveal the heart of the problem with clarity.
I think it's rarely about what you actually learn in class. It's mostly about the way that you look at things.
The quarries we rehabilitate best become assets our grandchildren will thank us for.
The path to sustainability is paved with both challenges and opportunities.