From its firm footing then when needed most,
Like some unlearned leech who many healed,
But being sick himself, from all his store,
Cannot cull out one medicinal drug.
Prometheus.
Hear me yet farther; and in hearing marvel,
What arts and curious shifts my wit devised.
Chiefest of all, the cure of dire disease
Men owe to me. Nor healing food, nor drink,
Nor unguent knew they, but did slowly wither