V. HOW PORPHYRY CAME TO PLOTINOS FOR THE SECOND TIME (A. D. 263–269).
Project Gutenberg EPUB3 edition
Plotinus and Guthrie, Kenneth Sylvan
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