"Of course, nothing is absolute in the world, and we can't give up eating for fear of choking. Sometimes the cause of disease is clear, but the pathophysiological mechanism is not; or there may be only symptoms without an identifiable cause. In such cases, symptomatic treatment is a provisional measure. It can relieve the patient's suffering and preserve their life as much as possible. One must avoid dogmatism in the practice of medicine."
Director Shang might have been worried about training Zhou Can into a blockhead, so he added another sentence.
Diagnosis and treatment are extremely complex processes that must be approached with flexibility and adaptability.
People who only know how to apply formulas rigidly are not suited to be doctors.
