"Memory is not an instrument for exploring the past but its theatre."
记忆不是探索过去的工具,而是它的剧场。
The pursuit of mathematical knowledge is a journey that never ends.
世界上到处都是愿意帮你制造龙卷风的人,这样你以后就可以声称自己幸存下来了。
If you don’t fail now and again, you’re not trying hard enough.