Philosophers are people who know less and less about more and more, until they know nothing about everything. Scientists are people who know more and more about less and less, until they know everything about nothing.
‘I don’t need brains,’ says the billionaire contemptuously. ‘I’m brainy enough myself!’ The broker cries out in desperation, ‘What, in heaven’s name, do you want?’ ‘Goodness,’ is the answer.
It is a good morning exercise for a research scientist to discard a pet hypothesis every day before breakfast. It keeps him young.