Note 132
Procopius (Persic. l. ii. c. 12) tells the story with the tone, half sceptical, half superstitious, of Herodotus. The promise was not in the primitive lie of Eusebius, but dates at least from the year 400; and a third lie, the Veronica, was soon raised on the two former, (Evagrius, l. iv. c. 27.) As Edessa has been taken, Tillemont must disclaim the promise, (Mem. Eccles. tom. i. p. 362, 383, 617.)
The History Of The Decline And Fall Of The Roman Empire Fall In The EastChapter 40