Indicatively: The genres of being, On numbers, On the good or the one, etc. Plotinus was born in Upper Egypt around 203 AD and grew up in Alexandria. He studied with the Alexandrian teachers of philosophy, primarily with the Platonic Ammonius Sakkas.

Wanting to learn about Eastern thought, he enlisted in the army of the emperor Gordian, who was campaigning in Persia. When the imperial army was defeated, Plotinus managed to escape, reach Antioch, and subsequently Rome, where he lived until the end of his life. He taught philosophy and gained fame both as a teacher and as a moral figure.

Among his students were prominent figures of Roman society - even the emperor Gallienus. His dream of founding a city in Campania, named Platonopolis, which would be governed according to Platonic ideals, was undermined by the imperial advisers.

He began to write when he was already 49 years old. He noted his philosophical developments on paper, without a second reading, without corrections, and often without interrupting his discussions with his students. Among the latter, Porphyry took on the task of literary editor and publisher of his teacher's work, dividing it into 6 books of 9 treatises, which he named 'Enneads' for this reason.

Plotinus, one of the last great representatives of philosophical thought, died in 270 AD in Campania.