It bred worms. — On the Sabbath it bred no worms (Exodus 16:24), so that we must view the result spoken of as a punishment for disobedience, not as produced naturally. Neither of the natural mannas is subject to any very rapid decomposition.
Related Commentaries of Exodus 16:20
Exodus 16:20
20 Notwithstanding they hearkened not unto Moses; but some of them left of it until the morning, and it bred worms, and stank: and Moses was wroth with them.