All excesses are inimical to Nature. It is safer to proceed a little at a time, especially when changing from one regimen to another.

The function of protecting and developing health must rank even above that of restoring it when it is impaired.

There is one common flow, one common breathing, all things are in sympathy.

Sport is a preserver of health.

Foolish the doctor who despises the knowledge acquired by the ancients.

First of all a natural talent is required; for when Nature opposes, everything else is in vain; but when Nature leads the way to what is most excellent, instruction in the art takes place.

Old people have fewer diseases than the young, but their diseases never leave them.