C. I. Lewis Quotes
Clarence Irving Lewis was an American philosopher and the principal figure of the third generation of American pragmatism. A long-serving professor at Harvard, he made foundational contributions to modal logic in his Survey of Symbolic Logic and Symbolic Logic, and developed in Mind and the World Order a conceptual pragmatism in which a priori categorial schemes are chosen on practical grounds. The quotes below are attributed to C. I. Lewis, organized by topic.
C. I. Lewis on Knowledge
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Attributed to C. I. Lewis:
“There can be no a priori knowledge save by way of categorial schemes.”
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Attributed to C. I. Lewis:
“Pragmatism is not the rejection of the a priori but the reinterpretation of it.”
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Attributed to C. I. Lewis:
“All knowledge of the world is in some way categorical.”
C. I. Lewis on Mind
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Attributed to C. I. Lewis:
“Mind and the world order require each other.”
C. I. Lewis on Virtue
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Attributed to C. I. Lewis:
“Values are qualities of experience, open to empirical investigation.”