Overemphasis of the competitive system and premature specialization on the ground of immediate usefulness kill the spirit on which all cultural life depends, specialized knowledge included.
Most commonly revolt is born of material circumstances; but insurrection is always a moral phenomenon. Revolt is Masaniello, who led the Neapolitan insurgents in 1647; but insurrection is Spartacus. Insurrection is a thing of the spirit, revolt is a thing of the stomach.