On Sat, Jan 28, 2012 at 7:15 PM, ss <[email protected]> wrote: >> A fraught question, eh? :) > > Man's greatest invention? > > Agriculture > > Agriculture led to settlements and leisure. Leisure led to writing and art > experiemnation and wheels. >
I thought of agriculture too ... but I would go a step further and say that the invention before agriculture was religion, which made people form groups of common ideology and work together and farm.
