| Clarke's Commentary on the Bible Ye have not eaten bread, etc. - That is, ye have not been supported in an ordinary providential way; I have been continually working miracles for you, that ye might know that I am the Lord. Thus we find that God had furnished them with all the means of this knowledge, and that the means were ineffectual, not because they were not properly calculated to answer God's gracious purpose, but because the people were not workers with God; consequently they received the grace of God in vain. See 2 Corinthians 6:1.
Gill's Exposition of the Entire BibleYe have not eaten bread,.... Bread made of corn, common bread, of their own preparing, made by the labour of their own hands; but manna, the food of angelS, the bread of heaven: neither have you drank wine, nor strong drink; only water out of the rock, at least chiefly, and for constancy; though it may be, when they were on the borders of other countries, as of the Edomites, they might obtain some wine for their money: that ye might know that I am the Lord your God; who was both able and willing to provide food, drink, and raiment for them, and supply them with all good things, and support them without the use of the common necessaries of life; which were abundant proofs of his power and goodness.
Geneva Study BibleYe have not eaten {e} bread, neither have ye drunk wine or strong drink: that ye might know that I am the LORD your God. (e) Made by man's art, but manna, which is called the bread of angels.
Wesley's Notes 29:6 Ye have not eaten bread - Common bread purchased by your own money, or made by your own hands, but heavenly and angelical bread. Neither drank wine - But only water out of the rock. The Lord - Omnipotent and all - sufficient for your provision without the help of any creatures, and your God in covenant with you who hath a true affection to you, and fatherly care of you.
Matthew Henry's Concise Commentary29:1-9 Both former mercies, and fresh mercies, should be thought on by us as motives to obedience. The hearing ear, and seeing eye, and the understanding heart, are the gift of God. All that have them, have them from him. God gives not only food and raiment, but wealth and large possessions, to many to whom he does not give grace. Many enjoy the gifts, who have not hearts to perceive the Giver, nor the true design and use of the gifts. We are bound, in gratitude and interest, as well as in duty and faithfulness, to keep the words of the covenant. | 
