The dose makes the poison.

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.

Be not another, if you can be yourself.

The art of medicine cannot be inherited, nor can it be copied from books

The ultimate cause of human disease is the consequence of our transgression of the universal laws of life.

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.

Thoughts give birth to a creative force that is neither elemental nor sidereal. Thoughts create a new heaven, a new firmament, a new source of energy, from which new arts flow. When a man undertakes to create something, he establishes a new heaven.