Bipolar Coordinates/curves of Constant %CF%83 and %CF%84

Famous quotes containing the words curves and/or constant:

    “At the end of every diet, the path curves back toward the trough.”
    —Mason Cooley (b. 1927)

    “Language is like soil. However rich, it is subject to erosion, and its fertility is constantly threatened by uses that exhaust its vitality. It needs constant re-invigoration if it is not to become arid and sterile.”
    —Elizabeth Drew (1887–1965)