• [I] shall never use profanity except in discussing house rent and taxes. Indeed, upon second thought, I will not use it then, for it is unchristian, inelegant, and degrading--though to speak truly I do not see how house rent and taxes are going to be discussed worth a cent without it.

    Mark Twain (1992). “Mark Twain's Letters, Volume 3: 1869”, p.471, Univ of California Press