Galen

The mind governs the body, but the body influences the mind.

True happiness comes from virtue and knowledge.

Experiment is the best teacher in medicine.

The pulse reveals the secrets of the body.

Philosophy and medicine are sisters.

The soul is immortal and divine.

Diet is the first medicine.

The art of healing comes from nature.

Observation is key to understanding disease.

The body has innate powers to heal itself.

Wisdom is the physician of the soul.

Balance in all things leads to health.

The eyes are the window to the soul and body.

True knowledge comes from dissection and reason.

The heart is the seat of life.

Philosophy teaches us to live well.

Diseases arise from excess or deficiency.

The mind must be trained as well as the body.

Nature's laws are immutable.

Healing requires both art and science.