Effective Exhaust Velocity

Famous quotes containing the words effective and/or exhaust:

    [Humanity] has unquestionably one really effective weapon—laughter. Power, money, persuasion, supplication, persecution—these can lift at a colossal humbug—push it a little—weaken it a little, century by century; but only laughter can blow it to rags and atoms at a blast. Against the assault of laughter nothing can stand.
    Mark Twain [Samuel Langhorne Clemens] (1835–1910)

    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)