Nicene and Post-Nicene Fathers, Ser. II, Vol. IV: Letters...
From Letter XXIV 4524 .—(For 352.)
And at that time when they went forth and crossed over Egypt, their enemies were the sport of the sea; but now, when we pass over p. 550 from earth to Heaven, Satan himself henceforth falls like lightning from Heaven.
The above fragments are from Cosmas Indicopleustes: the Greek in Migne xxvi. 1432, sqq.