| Poetry is the art of giving different names to the same thing. Mathematics is the art of giving the same name to different things. |
(attributed in various forms variously to mathematician Henri Poincaré; cf. No Concepts At All (22 Feb 2001), LogicAndInformation (1 Aug 2001), MillenniumMath (2002-12-05), GatewaysToMathematics (2004-05-20), CircleSquaring (2005-07-25), MathAndSex (2007-09-18), ...) - ^z - 2008-11-09