The Annals and the Histories · Hist. 4.83

The origin of this God Serapis has not hitherto been made generally known by our writers. The Egyptian priests give this account. While Ptolemy, the first Macedonian king who consolidated the power of Egypt, was setting up in the newly-built city of Alexandria fortifications, temples, and rites of worship, there appeared to him in his sleep a youth of singular beauty and more than human stature, who counselled the monarch to send his most trusty friends to Pontus, and fetch his effigy from that country. This, he said, would bring prosperity to the realm, and great and illustrious would be the city which gave it a reception. At the same moment he saw the youth ascend to heaven in a blaze of fire. Roused by so significant and strange an appearance, Ptolemy disclosed the vision of the night to the Egyptian priests, whose business it is to understand such matters. As they knew but little of…

Cornelius Tacitus · trans. Church & Brodribb, 1876
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