Life is like music, it must be composed by ear, feeling and instinct, not by rule. Nevertheless one had better know the rules, for they sometimes guide in doubtful cases, though not often.
Be not another, if you can be yourself.
Women's regular bleeding engenders phantoms.
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.
God, our Father, has given us the life and the art of healing to protect and maintain it.
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.
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.
The interpretation of dreams is a great art.
The art of medicine has its roots in the heart. If your heart is false, then also the doctor in you is false. If it is fair, then also the doctor is fair.
Thoughts create a new heaven, a new firmament, a new source of energy, from which new arts flow.
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.
Nature also forges man, now a gold man, now a silver man, now a fig man, now a bean man.
Once a disease has entered the body, all parts which are healthy must fight it: not one alone, but all. Because a disease might mean their common death. Nature knows this; and Nature attacks the disease with whatever help she can muster.
In us there is the Light of Nature, and that Light is God.
Who else is the enemy of Nature but he who mistakes himself for more intelligent than Nature, though it is the highest school for all of us?