Research programmes, besides their negative heuristic, are also characterized by their positive heuristic. – Imre Lakatos
Einsteins results again turned the tables and now very few philosophers or scientists still think that scientific knowledge is, or can be, proven knowledge. – Imre Lakatos
The positive heuristic of the programme saves the scientist from becoming confused by the ocean of anomalies. – Imre Lakatos
My Botswana books are positive, and Ive never really sought to deny that. They are positive. They present a very positive picture of the country. And I think that that is perfectly defensible given that there is so much written about Africa which is entirely negative. – Alexander McCall Smith