Monks, there are these four dangers for those who go down to the water. What four? The danger or waves, of crocodiles, of whirlpools and the danger of sharks. So too, there are four dangers for one who has gone forth from home into homelessness as a monk equivalent to the four dangers of the water…And what is the danger of crocodiles? Monks, ‘crocodiles’ is a term for gluttony (M.I,160-61).