It is obvious that a man who can see, knows things that a blind man cannot know; but a blind man can know the whole of physics.


The Analysis of Matter, Chapter XXXVII (p. 389), Harcourt, Brace & Company, Inc. 1927

Bertrand Russell Quotes

It is obvious that a man who can see, knows things that a blind man cannot know; but a blind man can know the whole of physics.

It is obvious that a man who can see, knows things that a blind man cannot know; but a blind man can know the whole of physics.

It is obvious that a man who can see, knows things that a blind man cannot know; but a blind man can know the whole of physics.

It is obvious that a man who can see, knows things that a blind man cannot know; but a blind man can know the whole of physics.