It would be wrong to assume that one must stay with a research programme until it has exhausted all its heuristic power, that one must not introduce a rival programme before everybody agrees that the point of degeneration has probably been reached. Imre Lakatos More Quotes by Imre Lakatos More Quotes From Imre Lakatos That sometimes clear ... and sometimes vague stuff ... which is ... mathematics. Imre Lakatos math stuff sometimes Our empirical criterion for a series of theories is that it should produce new facts. The idea of growth and the concept of empirical character are soldered into one. Imre Lakatos new growth character facts The clash between Popper and Kuhn is not about a mere technical point in epistemology. Imre Lakatos technical between point about