“Let no one who can be his own belong to another.”

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.

Nothing is hidden so much that it wouldn’t be revealed through its fruit.

The book of Nature is that which the physician must read; and to do so he must walk over the leaves.

Poison is in everything, and no thing is without poison. The dosage makes it either a poison or a remedy.

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

Whether wine is a nourishment, medicine or poison is a matter of dosage.

Every physician must be rich in knowledge, and not only of that which is written in books; his patients should be his book, they will never mislead him.

Anyone who imagines that all fruits ripen at the same time as the strawberries knows nothing about grapes.

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 dose makes the poison.

Every body consists of three ingredients. The names of these are Sulphur, Mercury, and Salt.

Consider that we shouldn’t call our brother a fool, since we don’t know ourselves what we are.

It is said that a wise man rules over the stars, but this does not mean that he rules over the influences which come from the stars in the sky. It means that he rules over the powers which exist in his own constitution.

It would be an error to try to build the Kingdom of Heaven upon envy. For nothing that is founded on envy can thrive; it must have another root.

Medicine is not merely a science but an art. The character of the physician may act more powerfully upon the patient than the drugs employed.

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