Great quote but it's misattributed. According to Wikiquote, this originated with Olive Cushing Dwinell (1946) in The Story of Our Money, not with James Madison. Double check your quotes before attributing them, please! There are many misattributed quotes floating around the internet. It behooves us all to check them before passing them on - helps our credibility a bunch!
Source URL: http://en.wikiquote.org/wiki/James_Madison