Terry Pratchett, Feet of Clay

"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."