An ignorant doctor is the aide-de-camp of death.

quote by Avicenna
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That whose existence is necessary must necessarily be one essence.

quote by Avicenna
Added by Lucian Velea
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Therefore in medicine we ought to know the causes of sickness and health.

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

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

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

quote by Avicenna
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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 causes and beginnings; nor completed except by knowledge of its accidents and accompanying essentials.

quote by Avicenna
Added by Lucian Velea
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