quoting Plato quoting Plato old proverb old proverb old proverb “Necessity is the mother of invention.” quoting Plato “Necessity is the mother of invention.” old proverb http://en.wikipedia.org/wiki/Necessity_is_the_mother_of_i... old proverb old proverb old proverb old proverb Zappa in mind old proverb necessity is ____________