仓廪虚兮岁月乏，子孙愚兮礼义疏。
仓库里空虚了日子就会难，子孙愚笨了怎么知晓礼义呢？
"A book is a conversation with the dead."
The only person you should try to be better than is the person you were yesterday.
经验的直接内容是唯一可以作为心理学研究主题的事实。
海洋是我们最伟大的资源，但它需要尊重和可持续的实践。