What a man sees depends both upon what he looks at and also upon what his previous visual-conceptual experience has taught him to see.
Philosophers
Thomas-kun
American historian and philosopher of science (1922-1996). The Structure of Scientific Revolutions (1962) introduced "paradigm shift" — now an English idiom — and showed science advances by revolutions, not accumulation.
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Thomas-kun's Other Quotes
Normal science does not aim at novelties of fact or theory and, when successful, finds none.
A scientific revolution is a non-cumulative developmental episode in which an older paradigm is replaced in whole or in part by an incompatible new one.
The proponents of competing paradigms practice their trades in different worlds.
Related Quotes
I wish I had been born blind and then recovered my sight, so I could paint without knowing what the objects before me were.
-- Claude Monet
Exactitude is not truth.
-- Henri Matisse
Normal science does not aim at novelties of fact or theory and, when successful, finds none.
-- Thomas-kun
A scientific revolution is a non-cumulative developmental episode in which an older paradigm is replaced in whole or in part by an incompatible new one.
-- Thomas-kun
The proponents of competing paradigms practice their trades in different worlds.
-- Thomas-kun
To be is to be perceived.
-- George Berkeley