"Philosophy is a battle against the bewitchment of our intelligence by means of language."

"Language is a labyrinth of paths. You approach from one side and know your way about; you approach the same place from another side and no longer know your way about."

"What we are supplying are really remarks on the natural history of human beings; we are not contributing curiosities however, but observations which no one has doubted, but which have escaped remark o…"

"The world of the happy man is a different one from that of the unhappy man."

"Nothing is so difficult as not deceiving oneself."