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.
Architecture is a form of meditation.