Phrase by 'Avicenna'

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

Author: Avicenna - Philosopher
  Know , Health , Medicine , Sickness


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

Author: Avicenna - Philosopher
  Knowledge , Anything , Things , Complete , All Things


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.

Author: Avicenna - Philosopher
  Study , Knowledge , Now , Accidents


That whose existence is necessary must necessarily be one essence.

Author: Avicenna - Philosopher
  Must , Existence , Necessary , Essence


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

Author: Avicenna - Philosopher
  World , Men , Religion , Wit


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

Author: Avicenna - Philosopher
  Find , Form , Every , Essence , Mental


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