Charles Sanders Peirce Quotes
All the evolution we know of proceeds from the vague to the definite.
Citations
Peirce, Charles Sanders. "The Architecture of Theories." The Monist, vol. 1, no. 2, Jan. 1891, p. 170.
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Charles Sanders Peirce was an American philosopher, logician, mathematician and scientist who is sometimes known as "the father of pragmatism".