We know too much and feel too little. At least, we feel too little of those creative emotions from which a good life springs.

The first dogma which I came to disbelieve was that of free will. It seemed to me that all notions of matter were determined by the laws of dynamics and could not therefore be influenced by human wills.

The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice.

HELL: A place where the police are German, the motorists French and the cooks English.

The doctrine (of) maintaining that the language of daily life, with words used in their ordinary meanings, suffices for philosophy . . . I find myself totally unable to accept . . . . Because it makes almost inevitable the perpetuation amongst philosophers of the muddle-headedness they have taken over from common sense.

It is only in marriage with the world that our ideals can bear fruit; divorced from it, they remain barren.

Thinking you know when in fact you don't is a fatal mistake, to which we are all prone