Men who are devoid of the power of spiritual perception are unable to recognize anything that cannot be seen externally.
ParacelsusIf 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.
ParacelsusAll things are poisons. It is simply the dose that distinguishes between a poison and a remedy.
Paracelsus