Soul (ψυχή) often equated with life-force or breath.
"all things are full of gods" Aristotle, De Anima 411a7, quoting Thales
Heraclitus: the soul has a deep, unexplored structure and needs to be “kindled” like fire to become wise
Pythagoreans: soul is immortal and transmigrates (metempsychosis).
Empedocles and Anaxagoras introduce NOUS (mind) as a soul-like power.
No strict separation yet between physical and spiritual dimensions.
ΤΟ ΕΠΙΜΕΛΕΙΣΘΑΙ ΕΑΥΤΟΥ ΕΣΤΙΝ ΕΠΙΜΕΛΕΙΣΘΑΙ ΤΗΣ ΨΥΧΗΣ / To care for oneself is to care for the soul.
ΟΥ ΤΑ ΧΡΗΜΑΤΑ ΥΜΑΣ ΠΟΙΕΙΝ ΑΛΛΑ ΤΗΝ ΨΥΧΗΝ ΩΣ ΑΡΙΣΤΗΝ ΕΙΝΑΙ / Care not for your bodies or your wealth so much as for the best possible state of your soul.
the concept of EPIMELESTHAI ("care for one's self / care for the soul) is key concept of classical philosophical tradition
Aristotle’s theory of soul is grounded in hylomorphism, the idea that all living beings are composites of matter (hyle) and form (morphe).
The body is the matter, the potentiality.
The soul is the form, the actuality of a living body.
The soul is not a separate substance, but the essence that gives life and organization to the body.
The soul is the actuality of a body that has life potentially.” (De Anima, II.1)
Nutritive Soul (Vegetative Soul):: Found in plants :: Nutrition / Growth / Reproduction :: most basic type of soul
Found in animals. :: Includes all the capabilities of the nutritive soul, plus: Sensation (sight, hearing, etc.) / Appetite and desire / Locomotion (movement)
Rational Soul :: Unique to humans, able to universals and is capable of theoretical knowledge. Includes both the nutritive and sensitive capacities, and Reason (logos) / Abstract thinking / Deliberation and choice
+ intellect (NOUS) composed of passive intellect (NOUS PATHETIKOS) and active intellect (NOUS POIETIKOS)
Epicureans: soul is material, composed of fine atoms.
No afterlife: soul dissolves at death—no reason to fear it.
Stoics: soul is PNEUMA, a fiery breath pervading the body.
Soul contains HEGEMONIKON (governing principle) in the heart.
Ethics grounded in cultivating (EPIMELESTHAI) rational soul in accordance with nature.
Soul is a lower emanation from Nous (divine Intellect), which in turn comes from the One (the ineffable source).
Soul is the mediator between the intelligible world (Nous, Forms) and the sensible world.
Soul is partly divine but also linked to matter, and some souls descend too far and forget their origin.
The ultimate aim is the return (epistrophē) to the One via inner purification, contemplation, and ascent.
Soul (نَفْس, *nafs*) is a spiritual, immaterial substance.
Influenced by Aristotle, Neoplatonism, and Qur’anic revelation.
Avicenna: soul is simple, incorporeal, and individuated at creation.
Soul progresses through stages: vegetative, animal, rational.
Mystical traditions (e.g., Sufism) focus on purification of the soul.
Philosophical arguments for immortality and resurrection abound.
Soul is created by God and infused at conception.
Augustine: soul seeks rest in God; image of God within the soul.
Soul is immortal, destined for salvation or damnation.
Soul's faculties: memory, understanding, will (trinitarian analogy).
Union with God is possible through grace and charity.
Body-soul dualism often influenced by Platonic models.
Thomas Aquinas: soul is the form of the body (via Aristotle).
Soul has vegetative, sensitive, and rational powers.
Immortality of the rational soul is demonstrable by reason.
The soul subsists independently and survives bodily death.
Heavily influenced by Aristotle and Christian doctrine.
Debates on when and how the soul is infused in the embryo.
Renewed interest in Platonism and Hermetic soul cosmologies.
Descartes: radical dualism—soul (res cogitans) and body (res extensa).
Human soul seen as seat of reason, will, and self-consciousness.
Debates emerge over animal souls and mechanistic bodies.
Mystical and esoteric views on soul persisted alongside rationalism.
Soul increasingly tied to the concept of personhood.
Soul increasingly reduced to observable mental or bodily processes.
Locke: denies innate ideas—soul as tabula rasa, a passive receiver. Start of the NATURE / NURTURE debate.
Hume: rejects a persistent self; mind is a bundle of perceptions.
La Mettrie: human soul is an effect of bodily mechanisms (*L'homme machine*).
Diderot and French materialists view soul as an illusion of matter in motion.
Mind-body dualism increasingly replaced by monist materialism.
Soul or mind functions through the association of ideas.
David Hartley: vibrations in nerves correspond to mental associations.
Mind explained through natural laws, not metaphysical substances.
Emphasizes memory, habit, and experience over rational soul.
Bridge between empiricism and early psychology.
Shift from soul as essence to mind as structure of learned relations.
Soul is active, not passive—central to constructing experience.
Kant: we can never know "soul" as a thing-in-itself.
Fichte: ego (Ich) posits itself—soul as dynamic self-consciousness.
Schelling: soul and nature are aspects of the Absolute unfolding.
Hegel: soul partakes in Spirit (Geist), unfolding historically and dialectically.
Emphasis on development of the soul through culture and reason.
All matter possesses some form of experience or consciousness.
William James: stream of consciousness is continuous, plural, and lived.
Rejects both materialism and soul-substance dualism.
Radical empiricism: consciousness is a basic feature of reality.
Panpsychism redefines soul not as a separate entity, but as pervasive sentience.
Mind is not isolated; world is interwoven with subjectivity.