The book of Nature is that which the physician must read; and to do so he must walk over the leaves.
The human body is vapor materialized by sunshine mixed with the life of the stars.
The dose makes the poison.
The art of medicine has its roots in the heart.
The physician must give heed to the region in which the patient lives, that is to say, to its type and peculiarities.
Thoughts create a new heaven, a new firmament, a new source of energy, from which new arts flow.