“Research programmes, besides their negative heuristic, are also characterized by their positive heuristic.”

“Research programmes, besides their negative heuristic, are also characterized by their positive heuristic.”

“Philosophy of science without history of science is empty history of science without philosophy of science is blind.”

“Philosophy of science without history of science is empty history of science without philosophy of science is blind. ”

“If even in science there is no a way of judging a theory but by assessing the number, faith and vocal energy of its supporters, then this must be even more so in the social sciences: truth lies in power.”