“The disease of the soul is both more common and more deadly than the disease of the body. Just as medicine is the art devoted to healing the body, so philosophy is the art devoted to healing the so...”

“Popular medicine and popular morality belong together and ought not to be evaluated so differently as they still are: both are the most dangerous pseudo-sciences.”

“One of the essential qualities of the clinician is interest in humanity, for the secret of the care of the patient is in caring for the patient.”