A mortal lives not through that breath that flows in and that flows out. The source of his life is another and this causes the breath to flow.

The art of medicine has its roots in the heart.

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.

The highest degree of a medicine is Love.

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

Everything is a drug; it depends on the dose.

All that man needs for health and healing has been provided by God in nature, the Challenge of science is to find it.