Considered in its entirety, psychoanalysis won't do. It's an end product, moreover, like a dinosaur or a zeppelin; no better theory can ever be erected on its ruins, which will remain for ever one of the saddest and strangest of all landmarks in the history of twentieth-century thought.
Sir Peter Medawar
If politics is the art of the possible, research is surely the art of the soluble. Both are immensely practical-minded affairs.
Sir Peter Medawar
The human mind treats a new idea the way the body treats a strange protein; it rejects it.
Sir Peter Medawar
It is not the mountain we conquer, but ourselves.