"Denied the outlet, through play, of his energies, he recoiled upon himself and developed his mental processes. He became cunning; he had idle time in which to devote himself to thoughts of trickery."

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Ah! what is human life? How, like the dial's tardy-moving shade, Day after day slides from us unperceiv'd! The cunning fugitive is swift by stealth; Too subtle is the movement to be seen; Yet soon the hour is up--and we are gone.

— Edward Young