There was once a professor who wanted to go down a river, so he approached a local boatman who agreed to row him downstream for a small sum of money. As they wound their way down the river, the professor decides to show off his intelligence and high education so he started to test the simple boatman. Taking up a stone he had picked up from the riverbank, the professor arrogantly asks the boatman, ‘Have you ever studied Geology?’ The boatman looks at him blankly and replies, ‘Eh., no.’, hardly even understanding what the word meant. ‘Then, I am afraid 25 percent of your life is gone!’ the professor loftily.
