Ibn Sina
Advanced metaphysics, medicine, logic, psychology, and the distinction between essence and existence.

Life and thought
Connects metaphysics, medicine, logic, psychology, and the nature of being through rigorous Islamic Golden Age reasoning.
Ibn Sina is presented in the Thought archive through philosophy, persian / islamic golden age, persia / islamic world, medieval. The recorded life dates are 980–1037. The profile connects this work to Islamic Philosophy, Medieval Philosophy, Metaphysics, Science.
The central questions gathered here concern essence and existence, necessary being, floating man, logic, medicine. Together they show the recurring problems, methods, and distinctions that define this thinker’s contribution.
Ibn Sina developed within an intellectual conversation shaped by Aristotle, Al-Farabi, Neoplatonism, Islamic theology. These names provide context for the traditions and problems surrounding the work; they do not imply simple agreement.
The surviving reading path begins with Canon of Medicine, Book of Healing, Book of Salvation, Remarks and Admonitions. The recorded legacy extends toward Aquinas, Maimonides, Scholasticism, Islamic philosophy, medicine.
Five Defining Theories
The central ideas, methods, and arguments that give this thinker’s work its distinctive shape.
essence and existence
A central idea in this thinker’s work, method, and intellectual legacy.
necessary being
A central idea in this thinker’s work, method, and intellectual legacy.
floating man
A central idea in this thinker’s work, method, and intellectual legacy.
logic
A central idea in this thinker’s work, method, and intellectual legacy.
medicine
A central idea in this thinker’s work, method, and intellectual legacy.
Life journey
A structured path through the verified context attached to this profile.
Context
980–1037 · Persia / Islamic world · Medieval
Intellectual formation
The recorded influences include Aristotle, Al-Farabi, Neoplatonism, Islamic theology.
Defining ideas
The profile centres on essence and existence, necessary being, floating man, logic, medicine.
The work
A reading path through Canon of Medicine, Book of Healing, Book of Salvation, Remarks and Admonitions.
Lasting influence
The recorded influence reaches Aquinas, Maimonides, Scholasticism, Islamic philosophy, medicine.
In time
Major Works
Texts through which the thinker’s ideas entered the wider intellectual record.
Canon of Medicine
This work matters because it carries a central part of the thinker’s method, argument, or intellectual legacy into a form readers can examine directly.
Read related Thought →Book of Healing
This work matters because it carries a central part of the thinker’s method, argument, or intellectual legacy into a form readers can examine directly.
Read related Thought →Book of Salvation
This work matters because it carries a central part of the thinker’s method, argument, or intellectual legacy into a form readers can examine directly.
Read related Thought →Remarks and Admonitions
This work matters because it carries a central part of the thinker’s method, argument, or intellectual legacy into a form readers can examine directly.
Read related Thought →Influence network
Trace the intellectual lineage into and beyond this thinker.
Selected quotations
The knowledge of anything is in its causes.
An ignorant doctor is death’s aide.
Medicine considers the human body as health and disease.
The world is divided into men who have wit and no religion.
I prefer a short life with width to a narrow one with length.
Schools of thought
Islamic Philosophy
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Explore school M11 thinkersMedieval Philosophy
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Explore school M49 thinkersMetaphysics
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Explore school S75 thinkersScience
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Explore schoolConnected Thinkers
Featured Debates
See how Ibn Sina’s perspective changes when it meets another mind.
Preventing Humanity’s Misstep in Overreliance on Technological Determinism
The rapid advancement of technology raises concerns about humanity's increasing reliance on technology, potentially undermining essential human qualities and reasoning. The central fault line is The…
View Debate →The Dangers of Unexamined Technological Assumptions
The Dangers of Unexamined Technological Assumptions
View Debate →The Role of Essence and Existence in Preventing Misguided Technological Advancements
The Role of Essence and Existence in Preventing Misguided Technological Advancements
View Debate →The Role of Essence and Existence in Guiding Ethical AI Development
The Role of Essence and Existence in Guiding Ethical AI Development
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