The difference between theory and practice in practice is greater
than the difference between theory and practice in theory.

The difference between democracy and dictatorship is that in a dictatorship the government lies and the newspapers lie. In a democracy the government lies and the newspapers lie, but they are different lies.

Upcoming best-selling books by the author

"If you have to ask, you'll never know"
            Louis Armstrong, when asked what is Swing music

The problem with pre-computing:
``But a disadvantage of this method [precomputation] is that you must first compute how long it is going to take you to compute. And if you should compute longer than you'd computed you'd compute, you must compute all over again.''

Guy Murchie in Song of the Sky (Hougthon Mifflin, 1954)
(about navigating planes and fixing one's position by shooting stars)

Why is there no synonym for ``thesaurus''?

``Of 240 grants made by the Carnegie Corporation in 1989, totaling $37 million, only 27.5 percent (sixty grants) went to American universities.''

New Republic Magazine, 9/18/95

(Unfortunately, very few of those went to math education...)

He was the best driver I have ever seen. He was so good, he could make a perfect U-turn at night, with his eyes closed, driving a train.