As boom- and bust-prone as high finance always has been and remains, the greatest systemic risk to our economy is not Wall Street It's the growing federal debt (and weakening dollar) being enacted by those Washington politicians - the ones who want to protect us from Wall Street.
One must be entirely sensitive to the structure of the material that one is handling. One must yield to it in tiny details of execution, perhaps the handling of the surface or grain, and one must master it as a whole.