Moses
Deuteronomy 8:16BSB·traditional attribution

He fed you in the wilderness with manna that your fathers had not known, in order to humble you and test you, so that in the end He might cause you to prosper.

John Calvin Reformed @genevareformer

16. Who fed thee in the wilderness. He had said that water was brought forth from the rock of flint when the people were suffering from thirst; now, he adds that they had manna instead of bread; as if he had said that when meat and drink failed them they must have perished of want unless God had preternaturally given them both, causing the hard...

Matthew Henry Presbyterian @wholebiblehenry

Moses, having mentioned the great plenty they would find in the land of Canaan, finds it necessary to caution them against the abuse of that plenty, which was a sin they would be the more prone to new that they came into the vineyard of the Lord, immediately out of a barren desert. I. He directs them to the duty of a prosperous condition, Deu 8:10.

Commenting on Deuteronomy 8:10-20

John Gill Reformed Baptist @doctorgill

And thou say in thine heart,.... These words are in connection with the former part of the Deu 8:14, and thou forget the Lord thy God; the author and giver of all the good things enjoyed, and think within themselves, though they might not express it in words at length: my power and the might of mine hand hath gotten me this wealth; so ascribing...