Galen

The physician must be able to distinguish between natural and unnatural phenomena.

The best way to learn anatomy is through direct observation and dissection.

The human body is perfectly adapted to its functions.

The physician must be a keen observer and a logical reasoner.

Experience is the best teacher in medicine.

The humors are influenced by diet, climate, and emotions.

The physician should strive to restore the balance of the humors.

The study of anatomy is a sacred duty.

The human hand is the most perfect instrument.

The physician must be a master of rhetoric to persuade patients.

The physician should treat the whole patient, not just the disease.

The physician must be humble and acknowledge the limits of his knowledge.

The physician must be compassionate and empathetic.

The physician must be a guardian of public health.

The physician must be a moral exemplar.

The physician must be a scientist and an artist.

The physician must be a servant of humanity.

The physician must be a seeker of truth.