17546 | If you changed one of Newton's concepts you would destroy his whole system [Heisenberg on Newton] |
18197 | Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem] |
1625 | Statements about the external world face the tribunal of sense experience as a corporate body [Quine] |
2561 | For Feyerabend the meaning of a term depends on a whole theory [Feyerabend, by Rorty] |