Moral and epistemological foundation of professional obligations "do no harm"
The author reveals the moral and epistemological foundation of the principle of «do no harm» by the example of the teachings of Pirogov medical errors. Moral basis of the principle of «do no harm» is the motivation of the physician activities aimed at the care and treatment of the patient. Epistemological basis of possible violations of this principle is the objective incompleteness of medical knowledge and subjective moral personality traits doctor.