"There is no exercise of the intellect which is not, in the final analysis, useless. A philosophical doctrine begins as a plausible description of the universe; with the passage of the years it becomes a mere chapter if not a paragraph or a name in the history of philosophy."

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But just as it sometimes happens that the most temperate people, who have never acquired the habit of drinking alcohol, or even a taste for it, are tormented by the fear that somehow or other they will one day find themselves drunk, so Isabelle perpetually feared that she might be betrayed into an impulsive act that was destructive to such order as reason had imposed on life. Therefore she was forever running her faculty of analysis over in her mind with the preposterous zeal of an adolescent running a razor over his beardless chin.

— Rebecca West