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.

Determined will is the beginning of all magical operations. It is because men do not perfectly imagine and believe the result, that the (occult) arts are so uncertain, while they might be perfectly certain.

Time is a brisk wind, for each hour it brings something new... but who can understand and measure its sharp breath, its mystery and its design?

The art of healing comes from nature, not from the physician. Therefore the physician must start from nature, with an open mind.

Everything is a drug; it depends on the dose.

Medicine rests upon four pillars - philosophy, astronomy, alchemy, and ethics.

From time immemorial artistic insights have been revealed to artists in their sleep and in dreams, so that at all times they ardently desired them.