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.

Research under a paradigm must be a particularly effective way of inducing paradigm change.

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.

What chemists took from Dalton was not new experimental laws but a new way of practicing chemistry (he himself called it the 'new system of chemical philosophy'), and this proved so rapidly fruitful that only a few of the older chemists in France and Britain were able to resist it.

Probably, the single most prevalent claim advanced by the proponents of a new paradigm is that they can solve the problems that led the old one to a crisis.

Communication across the revolutionary divide is inevitably partial.

All significant breakthroughs are break -“withs” old ways of thinking.