Famous quotes containing the words active and/or ingredients:
“Communists have always played an active role in the fight by colonial countries for their freedom, because the short- term objects of Communism would always correspond with the long-term objects of freedom movements.”
—Nelson Mandela (b. 1918)
“Copernicanism and other essential ingredients of modern science survived only because reason was frequently overruled in their past.”
—Paul Feyerabend (1924–1994)