If you are not your own doctor, you are a fool.
I have clearly recorded this: for one can learn good lessons also from what has been tried but clearly has not succeeded, when it is clear why it has not succeeded.
He who does not understand astrology is not a doctor but a fool.
A wise man ought to realize that health is his most valuable possession.
Walking is man's best medicine.
We must turn to nature itself, to the observations of the body in health and in disease to learn the truth.