Evolving a System by Paul Epps on 1 Feb 2010 A complex system that works is invariably found to have evolved from a simple system that works . . . A complex system designed from scratch never works and cannot be patched up to make it work. — John Gall Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email this to a friend (Opens in new window)MoreClick to share on Pinterest (Opens in new window)Click to print (Opens in new window) Related Posts Growing a System Cannot Measure Productivity Criticisms of the Standard Waterfall Model