The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.
The first question I ask myself when something doesn't seem to be beautiful is why do I think it's not beautiful. And very shortly you discover that there is no reason.
数学的快乐来自创造的行为,而不仅仅是结果。
纺织行业必须适应不断变化的世界,否则就有被淘汰的风险。
宇宙不仅比我们想象的更奇怪,它比我们能想象的还要奇怪。