Most species do their own evolving, making it up as they go along, which is the way Nature intended.
Terry PratchettGranny Weatherwax was not lost. She wasn't the kind of person who ever became lost. It was just that, at the moment, while she knew exactly where SHE was, she didn't know the position of anywhere else.
Terry Pratchett[...] the awesome splendor of the universe is much easier to deal with if you think of it as a series of small chunks.
Terry Pratchett