The best way to learn mathematics is to do mathematics.
The truth is not always what we want to hear.
人生不是赛跑，而是一段每一步都算数的旅程——包括那些跌倒。
People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken.
地球只是宇宙中的一个波点。
世界上到处都是试图互相修补的破碎之人。
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.