The uniform, constant, and uninterrupted effort of every man to better his condition, the principle from which public and national as well as private opulence is originally derived.
The history of all hitherto existing society is the history of class struggles.
这些人很少不是死于自己的所长,所以说∶事业达到顶峰就难以持久。 
"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."
应对不自由世界的唯一方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。
The artist's role is to disturb the comfortable and comfort the disturbed.