可持续性不是一种选择,而是必须——如果我们想在养活不断增长的人口的同时不破坏地球的话。
宇宙是一个不断变化和演变的地方,我们只是其中的一小部分。
The most expensive thing in the world is trust. It can take years to earn and just a matter of seconds to lose.
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
对自己的言辞永远不能太不小心,尤其是当你在撒谎的时候。