The Roman History · Amm. 16.5.8

Therefore, if it be true, as many writers affirm, that Cyrus the king, and Simonides the lyric poet, and Hippias of Elis, the most acute of the Sophists, excelled as they did in memory because they had obtained that faculty through drinking a particular medicine, we must also believe that Julian in his early manhood had drunk the whole cask of memory, if such a thing could ever be found. And these are the nocturnal signs of his chastity and virtue.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
Passage preview. Read in context for the complete text, notes and references.