34. But perhaps it may move some that if this be so, a most faithful Emperor Gratian, murdered a.d. 383. St. Ambrose on Ps. lxii. [lxi.] § 23, gives some details mentioned by no other writer. The Emperor was noted for his great conscientiousness, and especially for purity. has been forsaken, as if forsooth the reward of merits were to be estimated by the transitory measure of things present. For what wise man is ignorant that human affairs are ordered in a kind of round and cycle, for they have not always the same success, but their state varies and they suffer vicissitudes.