I suppose the advocates of unreason think that there is a better chance of profitably deceiving the populace if they keep it in a state of effervescence.

I am as drunk as a lord, but then, I am one, so what does it matter ?

Not to be absolutely certain is, I think, one of the essential things in rationality.

One's work is never so bad as it appears on bad days, nor so good as it appears on good days.

We are faced with the paradoxical fact that education has become one of the chief obstacles to intelligence and freedom of thought.

Some people would rather die than think.

I do not believe that I am now dreaming, but I cannot prove that I am not.