Economic Rules, Economic Regulations Quotes
Usury in orthodox Muslim terms means the charging of interest. Modern Islamic societies have developed a variety of methodologies for dealing with the usury prohibition yet functioning in a modern capitalist system. Orthodox Jews also have a Biblical prohibition against loans with interest. Fundamentalist Protestants of some sects also believe that loaning or borrowing money and charging interest is a sin prohibited by God.
He was explaining the thinking of several of the economic protesting movements of the time.
[The metaphor of the stone tablets revers to Moses coming down the mountain and his interaction with God, carrying the 10 Commandments carved in stone tablets.]