Once a disease has entered the body, all parts which are healthy must fight it: not one alone, but all. Because a disease might mean their common death. Nature knows this; and Nature attacks the disease with whatever help she can muster.

The art of medicine has its roots in the heart.

All drugs are poisons the benefit depends on the dosage.

Man is a microcosm, or a little world, because he is an extract from all the stars and planets of the whole firmament, from the earth and the elements; and so he is their quintessence.

It is said that a wise man rules over the stars, but this does not mean that he rules over the influences which come from the stars in the sky. It means that he rules over the powers which exist in his own constitution.

The interpretation of dreams is a great art.

In every human being there is a special heaven, whole and unbroken.