Those which follow are peculiar to Roman mythology. […] I call to witness that dreadful lake, which I never saw, but which we gods swear by in our most solemn engagements.” […] Here are two epigrams which treat it in different ways. […] Leda gave birth to an egg from which sprang the twins. […] This is the famous Penelope’s web, which is used as a proverbial expression for any thing which is perpetually doing but never done.