“Always come down from the barren heights of cleverness into the green valleys of folly.”

“Never stay up on the barren heights of cleverness, but come down into the green valleys of silliness.”

“Hegel seems to me to be always wanting to say that things which look different are really the same. Whereas my interest is in showing that things which look the same are really different. I was thinking of using as a motto for my book a quotation from King Lear: 'I’ll teach you differences'.... 'You’d be surprised' wouldn’t be a bad motto either.”

“When we can't think for ourselves, we can always quote”

“In philosophy it is always good to put a question instead of an answer to a question. For an answer to the philosophical question may easily be unfair; disposing of it by means of another question is not.”

“Religion as madness is a madness springing from irreligiousness.”

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