the second concerns the physician's responsibility to be fully trained in and skilled in the administration of drugs, given that the physician's raison d'être is effective healing and that some medicines and surgical procedures can be potentially dangerous. according to dhammika, this second article is equivalent to the hippocratic oath's third and fourth stipulation that the physician shall never do anything to harm a patient, even if asked to do so. it is the "primum non nocere" of western medical ethics.