Mental processes are biological tools for survival.
做义事也是这样,能演说的就演说,能讲书的就讲书,能做事的就做事,这样义事才可以成功。 
Legal rights are not merely the shadows of legal duties.
生活就是痛苦,生存则是在痛苦中找到一些意义。
"The free, exploring mind of the individual human is the most valuable thing in the world."