"If you enjoy living, it is not difficult to keep the sense of wonder." These words were spoken by sci-fi author Ray Bradbury, and sadly, a little bit of wonder is gone from the universe today as io9 has learned that the iconic and influential writer passed away this morning at 91-years old in Los Angeles. Biographer Sam Weller confirmed his passing which will shake the world of sci-fi today. Bradbury's seminal work includes stories that have made it to the big screen…