Famous quotes containing the words trail and/or system:
“It is not for man to follow the trail of truth too far, since by so doing he entirely loses the directing compass of his mind.”
—Herman Melville (1819–1891)
“Science is a system of statements based on direct experience, and controlled by experimental verification. Verification in science is not, however, of single statements but of the entire system or a sub-system of such statements.”
—Rudolf Carnap (1891–1970)
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