Its heuristic principle would be St. Augustine's axiom that the Old Testament is revealed in the New and the New concealed in the Old …—V. B. Leitch, American Literary Criticism from the Thirties to the Eighties, 1988

Many entrepreneurs look at white space in a market and decide to not fill it because a heuristic that often holds true; a niche left unserviced often can’t be serviced profitably at all.

—Alexander Puutio, Forbes, 15 Jan. 2025

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Yeah, I think I got it now. Thanks!