To be stupid, selfish and have good health are the three requirements of happiness, though if stupidity is lacking, all is lost.
(Gustave Flaubert, novelist.)
Don't touch shit even with gloves on. The gloves get shitter, the shit doesn't get any glovier.
(Ferenc Molnar, playwright.)
Both quoted in 'I have a go, lady, I have a go', an essay by David Hare, playwright, from 'Obedience, Struggle & revolt', Hare's collected essays, a review copy of which has landed on the Observer blog desk.