Pressure Waves

Famous quotes containing the words pressure and/or waves:

    We believe that civilization has been created under the pressure of the exigencies of life at the cost of satisfaction of the instincts.
    Sigmund Freud (1856–1939)

    O beautiful for spacious skies,
    For amber waves of grain,
    For purple mountain majesties
    Above the fruited plain!
    Katharine Lee Bates (1859–1929)