Rather Than Being An Interpreter, The Scientist

Groups Do Not Have Experiences Except Insofar As All Their Members Do. And There Are No Experiences... That All The Members Of A Scientific Community Must Share In The Course Of A [scientific] Revolution. Revolutions Should Be Described Not In Terms Of Group Experience But In Terms Of The Varied Experiences Of Individual Group Members. Indeed, That Variety Itself Turns Out To Play An Essential Role In The Evolution Of Scientific Knowledge.

All Significant Breakthroughs Are Break -“withs” Old Ways Of Thinking.

Its Assimilation Requires The Reconstruction Of Prior Theory And Re-evaluation Of Prior Fact, An Intrinsically Revolutionary Process That Is Seldom Completed A Single Man And Never Overnight

The Historian Of Science May Be Tempted To Exclaim That When Paradigms Change, The World Itself Changes With Them.

All Crises Begin With The Blurring Of A Paradigm And The Consequent Loosening Of The Rules For Normal Research. .. Or Finally, The Case That Will Most Concern Us Here, A Crisis May End With The Emergence Of A New Candidate For Paradigm And With The Ensuing Battle Over Its Acceptance.