“Are you now, or have you ever been?”
entry of Feb. 12
“In the case of the Cartesian question, the answer is affirmative, and metaphysics has produced, in the four hundred years since, nothing much better than this. It is not only interesting but supremely practical. What could be more useful than having the means of convincing oneself that one exists whenever the question should arise?”
Properties of Light
Transparent Things

Rebecca
Goldstein
For more on Goldstein, see
The New York Times,
Feb. 14, 2005, and
Eight is a Gate,
Dec. 19, 2002.

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