Topology is the study of the properties of a figure that are unchanged by any deformation.
拓扑学是对图形在任何变形下保持不变的性质的研究。
"Never let your ego get in the way of doing what's right."
I don’t think you should spend much time being unhappy about the bad breaks. You get a lot of them, but you also get a lot of good ones. The thing to do is just to maximize your odds of using the good ones and minimizing the effects of the bad ones.
The quest for understanding is the noblest pursuit of the human spirit.
道理明白了，文辞就能表达清楚；文辞表达清楚了，道理也就明白了。
夜晚是一座伟大的图书馆，但星星是它的书籍。