No it's not!" said Constable Visit. "Atheism is a denial of a god." "Therefore It Is A Religious Position," said Dorfl. "Indeed, A True Atheist Thinks Of The Gods Constantly, Albeit In Terms of Denial. Therefore, Atheism Is A Form Of Belief. If The Atheist Truly Did Not Believe, He Or She Would Not Bother To Deny.
Terry Pratchett (1996). “Feet of Clay: A Novel of Discworld”, Harper Prism