Famous quotes containing the words sufficient and/or evidence:
“History suggests that capitalism is a necessary condition for political freedom. Clearly it is not a sufficient condition.”
—Milton Friedman (b. 1912)
“No further evidence is needed to show that “mental illness” is not the name of a biological condition whose nature awaits to be elucidated, but is the name of a concept whose purpose is to obscure the obvious.”
—Thomas Szasz (b. 1920)