当每一分钱都要精打细算，犯错的空间就消失了。
When every penny must be calculated, the margin for error evaporates.
"Books are the mirrors that reflect our dreams."
Love doesn't need a reason. It doesn't follow a plan. It just happens.
夜晚觉察到早晨的错误，今日悔恨昨日的过失。
If you're afraid to fail then you're probably going to fail.
数学家最好的工作往往来自于在别人看不到联系的地方发现联系。
没有执行的创新只是一个想法。