愚蠢
The first man who， having fenced in a piece of land， said 'This is mine，' and found people naïve enough to believe him， that man was the true founder of civil society.
Men are born ignorant， not stupid； they are made stupid by education.
The whole problem with the world is that fools and fanatics are always so certain of themselves， and wiser people so full of doubts.
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.
Humility is the starting point of wisdom, and pride is the endpoint of foolishness.
It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.