Scientific Certainty

Famous quotes containing the words scientific and/or certainty:

“A nap, my friend, is a brief period of sleep which overtakes superannuated persons when they endeavour to entertain unwelcome visitors or to listen to scientific lectures.”
—George Bernard Shaw (1856–1950)

“Hope is definitely not the same thing as optimism. It is not the conviction that something will turn out well, but the certainty that something makes sense, regardless of how it turns out.”
—Václav Havel (b. 1936)