<Table> <Tr> <Td> </Td> <Td> Wikisource has original text related to this article: Nicene and Post-Nicene Fathers: Series I </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Wikisource has original text related to this article: Nicene and Post-Nicene Fathers: Series I </Td> </Tr> <P> When in Rome, do as the Romans do (often shortened to when in Rome ...) or a later version when in Rome, do as the Pope does, a proverb attributed to Saint Ambrose, means that it is advisable to follow the conventions of the area in which you are residing or visiting . </P> <P> Saint Monica and her son, Saint Augustine, found out that Saturday was observed as a fast day in Rome, where they planned to visit . It was not a fast day in Milan, where they lived . They consulted Saint Ambrose who said "When I am here (in Milan) I do not fast on Saturday, when in Rome I do fast on Saturday ." That reply is said to have brought about the saying "When in Rome, do as the Romans do ." </P>

Who said when in rome do as the romans do