• People know, or dimly feel, that if thinking is not kept pure and keen, and if respect for the world of mind is no longer operative, ships and automobiles will soon cease to run right, the engineer's slide rule and the computations of banks and stock exchanges will forfeit validity and authority, and chaos will ensue.

    Hermann Hesse (2002). “The Glass Bead Game: (Magister Ludi) A Novel”, p.48, Holt Paperbacks