A kind old man in Baghdad <br />Gave his daughter to a cobbler. <br />The cruel little man so bit her <br />That blood flowed from the daughter’s lips. <br />Next morning the father saw her thus <br />And going to the bridegroom asked him: <br />‘O mean wretch, what teeth are these? <br />Chewest thou thus her lips? They are not leather. <br />I do not say these words in jest, <br />Leave joking off and enjoy her seriously. <br />If ill humour becomes fixed in a nature <br />It will not leave it till the time of death.’<br /><br />Saadi Shirazi<br /><br />http://www.poemhunter.com/poem/ch-02-the-morals-of-dervishes-story-45/