All things are poisons, for there is nothing without poisonous qualities. It is only the dose which makes a thing poison.

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

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.

This process is alchemy: its founder is the smith Vulcan.

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.

But is not He who created it for the sake of the sick body more than the remedy? And is not He who cures the soul, which is more than the body, greater?

Dreams must be heeded and accepted. For a great many of them come true.