31. And the house of Israel called. It is not without reason that Moses repeats what he had said before, that the name of Manna was given to the new kind of food which God had supplied, in order that they might be brought under condemnation for their stubborn impiety, who shall dare to raise a question on so manifest a point, since the conspicuous nature of the thing had extorted this name from people otherwise malicious and ungrateful. Its form is mentioned to prove the certainty of the miracle, viz., that its grains were round and like coriander-seed, because nothing like it had been seen before. Its taste reproves the people’s ingratitude in rejecting a food which was not only appropriate and wholesome, but also very sweet in savor.