It should be forbidden and severely punished to remove cancer by cutting, burning, cautery, and other fiendish tortures. It is from nature that the disease comes, and from nature comes the cure, not from physicians.

That which lives on reason lives against the spirit.

Let no one who can be his own belong to another.

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

Many have said of Alchemy, that it is for the making of gold and silver. For me such is not the aim, but to consider only what virtue and power may lie in medicines.

However, anyone to whom this happens should not leave his room upon awakening, should speak to no-one, but remain alone and sober until everything comes back to him, and he recalls the dream.

Thoughts create a new heaven, a new firmament, a new source of energy, from which new arts flow.