“Everything is a drug; it depends on the dose.”

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.

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.

What we should be after death, we have to attain in life, i.e. holiness and bliss. Here on earth the Kingdom of God begins.

Medicine is not only a science; it is also an art. It does not consist of compounding pills and plasters; it deals with the very processes of life, which must be understood before they may be guided.

As you talk, so is your heart.

Know that the philosopher has power over the stars, and not the stars over him.

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

Women’s regular bleeding engenders phantoms.

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

The dose makes the poison.

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

All drugs are poisons the benefit depends on the dosage.