Hippocrates — Greek Scientist

Hippocrates of Kos was a Greek physician of the Age of Pericles, and is considered one of the most outstanding figures in the history of medicine. He is referred to as the "Father of Western Medicine" in recognition of his lasting contributions to the field as the founder of the Hippocratic School of Medicine. This intellectual school revolutionized medicine in ancient Greece, establishing it as a discipline distinct from other fields with which it had traditionally been associated, thus establishing medicine as a profession... (wikipedia)

A wise man should consider that health is the greatest of human blessings, and learn how by his own thought to derive benefit from his illnesses.
Wherever the art of medicine is loved, there is also a love of humanity.
If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health.
Everything in excess is opposed to nature.
Make a habit of two things: to help; or at least to do no harm.