There are in fact two things, science and opinion. The former begets knowledge, the latter ignorance.
It is better to be full of drink than full of food.
Foolish the doctor who despises the knowledge acquired by the ancients.
The forms of diseases are many and the healing of them is manifold.
It is better not to apply any treatment in cases of occult cancer; for if treated (by surgery), the patients die quickly; but if not treated, they hold out for a long time.
Life is short and the art long.