Snare&racket, you are correct that this is another cut n paste from Perry, but it was lifted from a site that sells "Intelligently Designed Apparel and Merchandise" http://www.cafepress.com/accessresearch/964771
From the blurb for one specific T. When he pasted he left off the last sentence
but his theory is rapidly eroding as modern biological science reveals amazing complexity and design that cannot possibly be explained by Darwin’s proposed mechanism of random mutations and natural selection. This led Phillip Johnson to summarize the situation one day with the phrase that appears on this shirt: “Freud is dead, Marx is dead, and Darwin is not feeling very well.”
Same old Perry