Humans are alive, therefore life must be complex.
Notes from Wikiquote
url = media.www.sbstatesman.com | | title = Expel Ben Stein - Opinion | | work = 'The Statesman' Op-Ed: "Expel Ben Stein" | | date = 25 February 2008 | | accessdate = 2008-04-18
Quote text and notes from Wikiquote: Ben Stein (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.