Aristotle was famous for knowing everything. He taught that the brain exists merely to cool the blood and is not involved in the process of thinking. This is true only of certain persons.
Bio: William Stewart Ross was a Scottish writer and publisher. He was a noted secularist thinker, and used the pseudonym "Saladin". Between 1888 and 1906 he was the editor of the Agnostic Journal, successor to the Secular Review.