A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
The meaning of a word is its use in the language.
采矿创新不是可选的——它对生存和可持续性至关重要。
基本的支持和鼓励来自内心,源于一种疯狂的想法,即你的社会需要知道只有你能告诉它的事情。
No president who performs his duties faithfully and conscientiously can have any leisure.
The past is never dead. It's not even past.
Architecture is a form of meditation.