Practical application is found by not looking for it, and one can say that the whole progress of civilization rests on that principle.
Source: H. Eves Mathematical Circles Squared, Boston: Prindle, Weber and Schmidt, 1972.
Contributed by: Zaady
The shortest path between two truths in the real domain passes through the complex domain.
Source: Quoted in The Mathematical Intelligencer, v. 13, no. 1, Winter 1991.
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