A tourist asked a boatman: Do you know biology, psychology,geology and criminology? The boatman said no to all questions.The tourist then said what the hell do you know on the face of this earth then? You will die from illiteracy.

After a while the boat start sinking,the boatman asked the tourist:"Do you know swimology and escapology from crocodilogy?" The tourist replied no.

The boatman said well you will drownology and crocodilogy will eat your assology and you will dieology because of your mouthology.