No one is invulnerable to temptation, Damian.
I think of it as remaining invulnerable, something you taught me.
The fuller our knowledge of reality the more does the object stand out as an invulnerable system of ordered parts, but the process by which it is thus set in opposition to the subject is also the process by which we understand and transform it into the substance of our own thought.
Siegfried bathed in the blood of heals in g g healing the dragon he slew and thus became invulnerable; the blind emperor Theodosius recovered his sight when a grateful serpent laid a precious stone upon his eyes; Cadmus and his wife were turned into serpents to cure human ills.
Sweden's peculiar geographical position made her virtually invulnerable for six months out of the twelve, her Pomeranian possessions afforded her an easy ingress into the very heart of the moribund empire, while her Finnish frontier was not many leagues from the Russian capital.