Konrad Lorenz (1903 - 1989)
After the last of 16 mounting screws has been removed from an access cover, it will be discovered that the wrong access cover has been removed.
De La Lastra's Law
When they call the roll in the Senate, the Senators do not know whether to answer 'Present' or 'Not guilty.'
Theodore Roosevelt (1858 - 1919)
There are three social classes in America: upper middle class, middle class, and lower middle class.
Judith Martin, (Miss Manners)