Although Alchemy has now fallen into contempt, and is even considered a thing of the past, the physicain should not be influenced by such judgements.

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.

That which lives on reason lives against the spirit.

A little bit of beer is divine medicine.

If we want to make a statement about a man's nature on the basis of his physiognomy, we must take everything into account; it is in his distress that a man is tested, for then his nature is revealed.

All things are poisons. It is simply the dose that distinguishes between a poison and a remedy.

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