I am different. Let this not upset you

The universities do not teach all things ... so a doctor must seek out old wives, gypsies, sorcerers, wandering tribes, old robbers, and such outlaws and take lessons from them. A doctor must be a traveller . . . Knowledge is experience.

Every body consists of three ingredients. The names of these are Sulphur, Mercury, and Salt.

This is alchemy, and this is the office of Vulcan; he is the apothecary and chemist of the medicine.

Could we but rightly comprehend the mind of man, nothing would be impossible to us upon the earth.

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

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.