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  • The lessons of science should be experimental also. The sight of a planet through a telescope is worth all the course on astronomy; the shock of the electric spark in the elbow outvalues all theories; the taste of the nitrous oxide, the firing of an artificial volcano, are better than volumes of chemistry.

    Ralph Waldo Emerson, David Mikics (2012). “The Annotated Emerson”, p.280, Harvard University Press