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)
“I believe that no characteristic is so distinctively human as the sense of indebtedness we feel, not necessarily for a favor received, but even for the slightest evidence of kindness; and there is nothing so boorish, savage, inhuman as to appear to be overwhelmed by a favor, let alone unworthy of it.”
—Marcus Tullius Cicero (106–43 B.C.)