Her hateful brow
Vrg Book II Chapter 24: Helen

This monster
Vrg Book II Chapter 24: Helen

Helen's hated beauty
Vrg Book II Chapter 25: Venus advises Aeneas

The caterpillars that are accustomed to weave their white cocoons, on uncultivated leaves (a thing observed by farmers) change to a butterfly's form, symbol of the soul.
Ovd Ovid XV Chapter 9: 361-390 Pythagoras' Teachings:Autogenesis
By Pythagoras of Samos