The Answers You Get Depend Upon The

To Turn Karl [popper]'s View On Its Head, It Is Precisely The Abandonment Of Critical Discourse That Marks The Transition Of Science. Once A Field Has Made The Transition, Critical Discourse Recurs Only At Moments Of Crisis When The Bases Of The Field Are Again In Jeopardy. Only When They Must Choose Between Competing Theories Do Scientists Behave Like Philosophers.

Literally As Well As Metaphorically, The Man Accustomed To Inverting Lenses Has Undergone A Revolutionary Transformation Of Vision.

Every Important Idea In Science Sounds Strange At First.

Each Paradigm Will Be Shown To Satisfy More Or Less The Criteria That It Dictates For Itself And To Fall Short Of A Few Of Those Dictated By Its Opponent.

Later Scientific Theories Are Better Than Earlier Ones For Solving Puzzles In The Often Quite Different Environments To Which They Are Applied. That Is Not A Relativist's Position, And It Displays The Sense In Which I Am A Convinced Believer In Scientific Progress.