Frases de Avicena

 Avicena foto
3  2

Avicena

Data de nascimento: 21. Agosto 980
Data de falecimento: 24. Junho 1037
Outros nomes:Ibn Síná

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Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā , conhecido como seu verdadeiro nome Ibn Sīnā ou por seu nome latinizado Avicena, foi um polímata persa que escreveu tratados sobre variado conjunto de assuntos, dos quais aproximadamente 240 chegaram aos nossos dias. Em particular, 150 destes tratados se concentram em filosofia e 40 em medicina.

As suas obras mais famosas são o “Livro da Cura”, uma vasta enciclopédia filosófica e científica, e o “Cânone da Medicina” , que era o texto padrão em muitas universidades medievais. , entre elas a Universidade de Montpellier e a Universidade Católica de Leuven, ainda em 1650. . Ela apresenta um sistema completo de medicina em acordo com os princípios de Galeno e Hipócrates. .

Suas demais obras incluem ainda escritos sobre filosofia, astronomia, alquimia, geografia, psicologia, teologia islâmica, lógica, matemática, física, além de poesia . Ele é considerado como o mais famoso e influente polímata da Era de Ouro Islâmica .

Citações Avicena

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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.“

—  Avicenna
Context: The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes. Therefore in medicine we ought to know the causes of sickness and health. And because health and sickness and their causes are sometimes manifest, and sometimes hidden and not to be comprehended except by the study of symptoms, we must also study the symptoms of health and disease. 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. Of these causes there are four kinds: material, efficient, formal, and final. [http://www.fordham.edu/halsall/source/1020Avicenna-Medicine.html "On Medicine, (c. 1020)]

„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.“

—  Avicenna
Context: 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. As quoted in 366 Readings From Islam (2000), edited by Robert Van der Weyer

„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.“

—  Avicenna
Context: The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes. Therefore in medicine we ought to know the causes of sickness and health. And because health and sickness and their causes are sometimes manifest, and sometimes hidden and not to be comprehended except by the study of symptoms, we must also study the symptoms of health and disease. 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. Of these causes there are four kinds: material, efficient, formal, and final. [http://www.fordham.edu/halsall/source/1020Avicenna-Medicine.html "On Medicine, (c. 1020)]

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

—  Avicenna
This was declared without citation to have been attributed to Avicenna in A Rationalist Encyclopaedia : A Book of Reference on Religion, Philosophy, Ethics, and Science (1950), by Joseph McCabe, p. 43;<!-- probably because of a misreading of that article by McCabe --> it was also later wrongly attributed to Averroes in The Atheist World‎ (1991) by Madalyn Murray O'Hair, p. 46. It actually originates as a statement by the atheist Al-Maʿarri, earlier translated into English in A Short History of Freethought Ancient and Modern (1906) by John Mackinnon Robertson, Vol. I, Ch. VIII : Freethought under Islam, p. 269, in the form: "The world holds two classes of men ; intelligent men without religion, and religious men without intelligence."

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

—  Avicenna
As quoted in Familiar Medical Quotations (1968) by Maurice B. Strauss

„I [prefer] a short life with width to a narrow one with length.“

—  Avicenna
As quoted in [http://books.google.com.bh/books?id=B8k3fsvGRyEC&lpg=PA85&dq=I%20prefer%20a%20short%20life%20with%20width%20to%20a%20narrow%20one%20with%20length&pg=PA85#v=onepage&q=I%20prefer%20a%20short%20life%20with%20width%20to%20a%20narrow%20one%20with%20length&f=false Avicenna (Ibn Sina): Muslim Physician And Philosopher of the Eleventh Century] (2006), by Aisha Khan p. 85, which cites Genius of Arab Civilizations by M.A. Martin.

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