lesson

Be not jealous over the wife of thy bosom, and teach her not an evil lesson against thyself.

Wherefore all the rules which he has laid down with regard to what is permitted in the case of these birds and other animals, he has enacted with the object of teaching us a moral lesson.

For there is some edification to be found even in these amusements, for often some desirable lesson is taught by the most insignificant affairs of life. But by practising the utmost propriety in all your actions, you have shown that you are a philosopher and you are honoured by God on account of your virtue.'