所谓道德抑或不道德的书是不存在的。书就只有分写得好、写得差，仅此而已。
There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.
数学中最重要的是理解概念，而不仅仅是记忆公式。
电影不仅仅是娱乐；它是一种理解世界和我们自己的方式。
Being a detective is like being a scientist. You have to notice things other people don’t notice.
The principles of learning are universal across species.
The only place where success comes before work is in the dictionary.