What is key agreement scheme?

Famous quotes containing the words key, agreement and/or scheme:

    They have thrown away her electric toothbrush, someone else slips
    The key into the lock of her safety-deposit box
    At the Crocker-Anglo Bank; her seat at the cricket matches
    Is warmed by buttocks less delectable than hers.
    Randall Jarrell (1914–1965)

    No one can doubt, that the convention for the distinction of property, and for the stability of possession, is of all circumstances the most necessary to the establishment of human society, and that after the agreement for the fixing and observing of this rule, there remains little or nothing to be done towards settling a perfect harmony and concord.
    David Hume (1711–1776)

    In the scheme of our national government, the presidency is preeminently the people’s office.
    Grover Cleveland (1837–1908)