(16) Why did he say, “On that day, God made a covenant with Abraham, saying, To thy seed will I give this land, from the river of Egypt to the great river Euphrates?” (#Ge 15:19). The literal expression describes the boundaries of the space which lies in the middle, between the two rivers Egyptus and Euphrates, for anciently the river was also called by the same name as the district, Egypt, as the poet also testifies when he says-

“And in the river Egypt did I fix

My double-oared Ships.”{3}{the line is in Odyssey 14.258.}