Every New Theory

Neither you nor anybody else knows with any certainty what is going on in the interior of this globe, since not the twelve thousandth part of its radius is known; science is eminently perfectible; and every new theory is soon routed by a newer.

Professor Liedenbrock Journey to the Center of the Earth (1864) by Jules Verne

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Context: The Professor answers his nephew's claim that the Earth's heat makes the journey impossible.

Not in a duel yet

Source: Chapter VI

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