To know, is to know that you know nothing. That is the meaning of true knowledge. For a man who claims to have knowledge, while actually knowing nothing, is less smarter than you, who claim to know nothing.

To move the world we must move ourselves.

The perfect human being is all human beings put together, it is a collective, it is all of us together that make perfection.

The greater the power that deigns to serve you, the more honor it demands of you.

One cannot come closer to the gods than by bringing health to his Fellow Man.

The cure of many diseases remains unknown to the physicians of Hellos (Greece) because they do not study the whole person.

Envy is the ulcer of the soul.