Illnesses do not come upon us out of the blue. They are developed from small daily sins against Nature. When enough sins have accumulated, illnesses will suddenly appear.
An insolent reply from a polite person is a bad sign.
Make a habit of two things: to help; or at least to do no harm.
Our food should be our medicine and our medicine should be our food.
For extreme illnesses extreme treatments are most fitting.
Of several remedies, the physician should choose the least sensational.