Quote
"First do no harm. (Latin: Primum non nocere)"
"There is sometimes more Skill shewed by a Physician in not Prescribing, than in Prescribing. And there is no better Remedy for some Diseases, than to let them alone : for unseasonable meddling with them, may hinder their proceeding to a Crisis, and at long Run they will mend of themselves."

A medical doctor, also known as a physician or medical practitioner, is a health professional who practices medicine. Medicine aims to promote, maintain or restore health through the study, diagnosis, prognosis and treatment of disease, injury, and other physical and mental conditions.
"First do no harm. (Latin: Primum non nocere)"
"As to diseases, make a habit of two things—to help, or at least to do no harm."
"I was feeling, so bad I asked my family doctor just what I had I said Doctor (Doctor) Mr. M.D. (Doctor) Now can you tell me whats ailing me (Doctor) He said yeah, yeah, yeah, yeah, yeah (Yeah, yeah, yeah, yeah, yeah)"
"Thou speak’st like a physician, Helicanus, That ministers a potion unto me That thou wouldst tremble to receive thyself."
"Les médecins administrent des médicaments dont ils savent très peu, à des malades dont ils savent moins, pour guérir des maladies dont ils ne savent rien."
"As testy sick men when their deaths be near, No news but health from their physicians know."