A professor was traveling by boat. on his way he asked the sailor. "oo you know biology,ecology, zoology, geography,physiology . the sailor said no to all his question. profesor> what the hell do you knw on earth, you will die of illeteracy. after a while the boat started sinking. the sailor asked the professor , do you knw swiminology and escapology from sharkalogy. the profesor said no. sailor; well sharkalogy and crocodology will eat your assology, headology and you will dielogy because of ur mouthology