ing for some of the rebels ; it was delivered in A. D. 367. (Orat. vii.) Ill the next year he accompanied Valens to the Danube in the second campaign of the Gothic war, and delivered before the emperor, at Marcianopolis, a congratulatory oration upon his Quinquennalia, A. D. 368. (Oral. viii.) His next orations are to the young Valentinian upon his consulship, A. D. 369 (Orat. ix.), and to the senate of Constantinople, in the presence of Valens, in honour of the peace granted to the Goths, B. C. 370 (Orat. x.). On March 28, A. D. 373, he addressed to Valens, who was then in Syria, a congratulatory address upon the emperor's entrance on the tenth year of his reign (Orat. xi.).
It was also while Valens was in Syria, that Themistius addressed to him an oration by which he persuaded him to cease from his persecution of the Catholic party. (Socrat. H. E. 4.32; Sozom. H. E. 6.36.)
It is thought by the best critics that this oration is lost, and that the extant oration to Valens on behalf of
Aristippus
of Cyrene (flourished 370), founder of the Cyrenaic school, 3.116.
disciple of Socrates, but taught that the chief end of man was to get enjoyment from everything (hedonism), to subject all things and circumstances to himself for pleasure; but pleasure must be the slave not the master; good and bad identical with pleasure and pain; 1.148.