In my youth I stressed freedom, and in my old age I stress order. I have made the great discovery that liberty is a product of order.
Will DurantThe experience of the past lives little doubt that every economic system must sooner or later rely upon some form of the profit motive to stir individuals and groups to productivity. Substitutes like slavery, police supervision, or ideological enthusiasm prove too unproductive, too expensive, or too transient.
Will Durant