Avicenna Quotes

21 quotes in 378 categories

• The world is divided into men who have wit and no religion and men who have religion and no wit.
• Medicine is the science by which we learn the various states of the human body in health and when not in health, and the means…
• Pain is a sensation produced by something contrary to the course of nature and this sensation is set up by one of two circumstances: either…
• Disease is an abnormal state of the body which primarily and independently produces a disturbance in the normal functions of the body. It may be…
• Prayer is that which enables the soul to realize its divinity. Through prayer human beings worship absolute truth, and seek an eternal reward. Prayer is…
• It is in the nature of water ... to become transformed into earth through a predominating earthy virtue; ... it is in the nature of…
• The physical signs of measles are nearly the same as those of smallpox, but nausea and inflammation is more severe, though the pains in the…
• An ignorant doctor is the aide-de-camp of death.
• There are no incurable diseases — only the lack of will. There are no worthless herbs — only the lack of knowledge.
• Mountains have been formed by one [or other] of the causes of the formation of stone, most probably from agglutinative clay which slowly dried and…
• As to the mental essence, we find it in infants devoid of every mental form.
• A horse is simply a horse.
• The different sorts of madness are innumerable.
• Medicine deals with the states of health and disease in the human body. It is a truism of philosophy that a complete knowledge of a…
• 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 of…
• Is it the fault of wine if a fool drinks it and goes stumbling into darkness?
• That whose existence is necessary must necessarily be one essence.
• 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. In…
• The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.
• Now it is established in the sciences that no knowledge is acquired save through the study of its causes and beginnings, if it has had…

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