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.