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.

The human body is vapor materialized by sunshine mixed with the life of the stars.

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

Every body consists of three ingredients. The names of these are Sulphur, Mercury, and Salt.

But is not He who created it for the sake of the sick body more than the remedy? And is not He who cures the soul, which is more than the body, greater?

The 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.

The universities do not teach all things ... so a doctor must seek out old wives, gypsies, sorcerers, wandering tribes, old robbers, and such outlaws and take lessons from them. A doctor must be a traveller . . . Knowledge is experience.