"Now, Mr. Cunningham, do you suppose this garrulous intruder may be a... a swindler, perhaps, an assassin, a charlatan plotting some curious disaster for your town? Such characters exist, but they are secretive rather than mysterious. I, sir, am a major mystery."
January 1, 1970
https://en.wikiquote.org/wiki/7_Faces_of_Dr._Lao