Humans Quotes by Avicenna

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

— Avicenna

Leeches should be kept a day before applying them. They should be squeezed to make them eject the contents of their stomachs.

— Avicenna

The different sorts of madness are innumerable.

— Avicenna

Pain is a sensation produced by something contrary to the course of nature and this sensation is set up by one of two circumstances:…

— Avicenna

Those who deny the first principle should be flogged or burned until they admit that it is not the same thing to be burned…

— Avicenna

But the fact is that when wine is taken in moderation, it gives rise to a large amount of breath, whose character is balanced,…

— Avicenna

Pure earth does not petrify, because the predominance of dryness over [i.e. in] the earth endows it not with coherence but rather with crumbliness.…

— Avicenna

In God alone, essence (what He is) and existence (that he is) coincide.

— Avicenna

It is in the nature of water ... to become transformed into earth through a predominating earthy virtue; ... it is in the nature…

— Avicenna

“Anyone who denies the law of non-contradiction should be beaten and burned until he admits that to be beaten is not the same as…

— Avicenna

“I would rather have a short life with width rather than a narrow one with length.”

— Avicenna

The theory of medicine, therefore, presents what is useful in thought, but does not indicate how it is to be applied in practice-the mode…

— Avicenna

Therefore in medicine we ought to know the causes of sickness and health.

— Avicenna

Mountains have been formed by one [or other] of the causes of the formation of stone, most probably from agglutinative clay which slowly dried…

— Avicenna

A horse is simply a horse.

— Avicenna