Quote #4
It is evident that everything which does not exist at first and then exists, is determined by something other than itself.
More from Avicenna
- An ignorant doctor is the aide-de-camp of death.
- Medicine considers the human body as to the means by which it is cured and by which it is driven away from health.
- Those who deny the first principle should be flogged or burned until they admit that it is not the same thing to be burned and not burned, …
- The world is divided into men who have wit and no religion and men who have religion and no wit.
- The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes. Therefore in medicin…
- Width of life is more important than length of life.
- There are no incurable diseases - only the lack of will. There are no worthless herbs - only the lack of knowledge.