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.
ParacelsusThe spirit is the master; imagination the tool, and the body the plastic material ...The power of the imagination is a great factor in medicine. It may produce diseases in man and in animals, and it may cure them ..Ills of the body may be cured by physical remedies or by the power of the spirit acting through the soul.
Paracelsus