city, everyone is welcome. But thou—thou also wilt soon travel, my friend, if all I hear of thee is true. Since I saw thee last, thy fame has multiplied upon itself and I have heard much of thee and of thy work in the schools here. I believe thou art a sensation of even this city, where new opinions are a daily occurrence and where marvelous complexities of thought awaken but a passing flash of interest. There has been no such agitation since thy friend, old Aristarchus, started us rolling around the sun. I hear that every priest in the city, from the temples of Isis, Serapis, Amon and, more especially, Aphrodite, has sworn to drive thee away for spreading thy questionings. Have I heard truly?"
"Let us walk, and I will tell thee."
It was the hour of evening, and the broad avenue through the Brucheum, the promenade of the royal quarter, was crowded with a throng of all ages and all
