Peter Medawar Quote

No scientist is admired for failing in the attempt to solve problems that lie beyond his competence.... Good scientists study the most important problems they think they can solve. It is, after all, their professional business to solve problems, not merely to grapple with them.

The Strange Case of the Spotted Mice and Other Classic Essays on Science (ed. Oxford University Press, USA, 1996) - ISBN: 9780192861931