Pressure Waves

Famous quotes containing the words pressure and/or waves:

    This is a catastrophic universe, always; and subject to sudden reversals, upheavals, changes, cataclysms, with joy never anything but the song of substance under pressure forced into new forms and shapes.
    Doris Lessing (b. 1919)

    There is no sea more dangerous than the ocean of practical politics—none in which there is more need of good pilotage and of a single, unfaltering purpose when the waves rise high.
    Thomas Henry Huxley (1825–95)