The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

有时最意想不到的发现会带来最大的进步。

A fool who knows he is a fool is for that very reason a wise man. The fool who thinks he is wise is the one to be called a fool.