"Academe, n.: An ancient school where morality and philosophy were taught. Academy, n.: A modern school where football is taught."
"Acquaintance. A person whom we know well enough to borrow from, but not well enough to lend to."
"Alliance - in international politics, the union of two thieves who have their hands so deeply inserted in each other's pockets that they cannot separately plunder a third."
"Ambidextrous, adj.: Able to pick with equal skill a right-hand pocket or a left."
"Ambition. An overmastering desire to be vilified by enemies while living and made ridiculous by friends when dead."
"AMNESTY, n. The state's magnanimity to those offenders whom it would be too expensive to punish."
"Barometer, n.: An ingenious instrument which indicates what kind of weather we are having."
I could go on forever.
Ambrose Bierce is pretty awesome.