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.

Health is the greatest of human blessings.

The human soul develops up to the time of death.

An insolent reply from a polite person is a bad sign.

Our food should be our medicine and our medicine should be our food.

Make a habit of two things: to help; or at least to do no harm.

The art is long, life is short