扬撒糠屑迷了眼，也会让天地四方都变了位置；蚊虫叮咬皮肤，也会让人通宵都不能安眠。
学习数学的唯一方法就是做数学。
The future of e-commerce lies in personalized services, not mass production.
The books that everybody admires are those that nobody reads.
Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.