What the eyes perceive in herbs or stones or trees is not yet a remedy; the eyes see only the dross.

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 physician must give heed to the region in which the patient lives, that is to say, to its type and peculiarities.

Know that the philosopher has power over the stars, and not the stars over him.

That which lives on reason lives against the spirit.

This process is alchemy: its founder is the smith Vulcan.

Dreams are not without meaning wherever they may come from — from fantasy, from the elements, or from another inspiration.