A stupid man's report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can understand.

There is no need to worry about mere size. We do not necessarily respect a fat man more than a thin man. Sir Isaac Newton was very much smaller than a hippopotamus, but we do not on that account value him less.

The very best proof that something can be done is that someone has already done it.

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

A word is used "correctly" when the average hearer will be affected by it in the way intended. This is a psychological, not a literary, definition of "correctness". The literary definition would substitute, for the average hearer, a person of high education living a long time ago; the purpose of this definition is to make it difficult to speak or write correctly.

Freedom in general may be defined as the absence of obstacles to the realization of desires.

I believe that when I die I shall rot, and nothing of my ego will survive.