Avicenna Quotes

The world is divided into men who have wit and no religion and men who have religion and no wit.

There are no incurable diseases — only the lack of will. There are no worthless herbs — only the lack of knowledge.

Width of life is more important than length of life.

The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.

God, the supreme being, is neither circumscribed by space, nor touched by time; he cannot be found in a particular direction, and his essence cannot change. The secret conversation is thus entirely spiritual; it is a direct encounter between God and the soul, abstracted from all material constraints.

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.

That whose existence is necessary must necessarily be one essence.

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, or whipped and not whipped.

As to the mental essence, we find it in infants devoid of every mental form.