See also: Ennéade (homonymy)

The Ennéades are a collection of books written by Plotin and which contain the essence of its philosophy. Written between 254 and 270 ap JC, its disciple Porphyry of Tyr, will gather them thereafter in 54 treaties of 6 “neuvaines”, and will publish them in the neighborhoods of 300 ap JC, in the order set of themes according to (the Arab numeral indicates the chronological order):

First Énnéade

Devoted to ethics:

• I (53) What the animal? What the man?

• II (19) Of the virtues.
• III (20) Of the dialectical one.
• IV (46) Of happiness.
• V (36) does happiness increase with time?
• VI (1) Of beautiful.

It is oldest and thus the first treaty of Plotin. It is also one of most famous. Of paced, it implements at it the method which consists in ordering in a systematic way teaching of the Platonic dialogs.

• VII (54) Of the first good and other goods.
• VII (51) What the evils and from which come?
• VIII (16) Of the reasonable suicide.

It is about a short preaching against the suicide in the tradition of Épictète.

Second Énnéade

Devoted to the questions of physics, cosmology.

• I (40) Of the world and the sky.

• II (14) movement of the sky.
• III (52) Of the influence of the stars.
• IV (12) Of the two matters.
• V (25) Which wants to say “in power” and “act”?
• VI (17) Of quality and the form.
• VII (37) Of the total mixture.
• VIII (35) do Pourquoi the objects seen by far appear small?
• IX (33) Against those which say that the démirge world is malicious and that the world is bad (against the gnostic ones).

Troisème Énnéade

Mainly, on providence.

• I (3) Of the destiny.

• II (47) Of providence, first book.
• III (48) Of providence, delivers II.
• IV (15) Of the demon which received us in division.
• V (50) Of the love.
• VI (26) Of the impassibility of the incorporeal things.
• VII (45) Of eternity and time.
• VIII (30) Of nature, contemplation and the One.
• IX (13) various Considerations.

Fourth Énnéade

On the heart.

• I (21) Of the gasoline of the heart (1)

• II (4) Of the gasoline of the heart (2)

• III (27) Difficulties relating to the heart. First book.

• IV (28) Difficulties relating to the heart. Deliver II.

• V (29) Difficulties relating to the heart. Deliver III.

• VI (41) Of the feeling and the memory.

• VII (2) Of the immortality of the heart.

• VIII (6) Of the descent of the heart in the body.

does

• IX (8) all hearts make a single heart?

Fifth Énnéade

Sixth Énnéade

Edition of the text

• Plotin, Ennéades, 7 vol., Greek text and translation, Beautiful Letters, 1924/1927.

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