And had turned their rivers into blood; and their floods, that they could not drink.
Ver. 44. And had turned their rivers into blood, &c.] Seven of those ten plagues of Egypt are here instanced, to aggravate the forgetfulness or perfidy of the Israelites. Good turns aggravate unkindness, and our offences are increased by our obligations.
And their floods, that they could not drink] Usque adeo ut aquae potabiles totam, alioqui stagnantem Aegyptum, deficerent. The Rabbis say (who told them I know not) that out of the same vessel an Egyptian drank blood and an Israelite water (Midras Tilling).