The interpretation of dreams is a great art.

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

Many have said of Alchemy, that it is for the making of gold and silver. For me such is not the aim, but to consider only what virtue and power may lie in medicines.

When a man undertakes to create something, he establishes a new heaven, as it were, and from it the work that he desires to create flows into him... For such is the immensity of man that he is greater than heaven and earth.

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

Alterius non sit qui suus esse potest. (Let no man belong to another that can belong to himself.)

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