An American tourist asked a boat guy in Zanzibar Do you know Biology Psychology Geography Geology or Criminology The boat guy said No. I don t know any of these. The tourist then said What the hell do you know on the face of this Earth You will die of illiteracy The boat guy said nothing. After a while the boat developed a fault and started sinking. The boatman then asked the tourist Do you know Swimology and Escapology from Crocodiology The tourist said No The boat guy replied Well today you will Drownology and Crocodiology will eat you. I will not Helpology and you will Dieology because of your Badmouthology.