And he will manage the cure best who has foreseen what is to happen from the present state of matters.
Primum non nocerum. (First do no harm)
When in sickness, look to the spine first.
Of several remedies, the physician should choose the least sensational.
He who does not understand astrology is not a doctor but a fool.
What medicines do not heal, the lance will; what the lance does not heal, fire will.