I remained with him this year, and the five following ones. I had
already visited Rome ten years previously; but at that time Plotinos
spent his summers in vacation, and contented himself with instructing
his visitors orally.
During the above-mentioned six years, as several questions had been
cleared up in the lectures of Plotinos, and at the urgent request of
Amelius and myself that he write them down, he wrote two books to prove
that