Correct observation followed by meticulous deduction and the precise visualization of goals is vital to the success of any enterprise.
Terry PratchettChrist managed to boil down an awful lot of commandments to a few very simple rules for living. It's when you go backwards through the 'begats' and the Garden of Eden, and you start thinking, 'Hang on, that's a big punishment for eating one lousy apple... There's a human-rights issue.'
Terry PratchettMost species do their own evolving, making it up as they go along, which is the way Nature intended. And this is all very natural and organic and in tune with mysterious cycles of the cosmos, which believes that there's nothing like millions of years of really frustrating trial and error to give a species moral fiber and, in some cases, backbone.
Terry Pratchett