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Charles Sanders Peirce Quotes about Quality

The truth is, that common-sense, or thought as it first emerges above the level of the narrowly practical, is deeply imbued with that bad logical quality to which the epithet metaphysical is commonly applied; and

The truth is, that common-sense, or thought as it first emerges above the level of the narrowly practical, is deeply imbued with that bad logical quality to which the epithet metaphysical is commonly applied; and nothing can clear it up but a severe course of logic.

Charles Sanders Peirce, Nathan Houser, Christian J.W. J. W. Kloesel (1992). “The Essential Peirce, Volume 1: Selected Philosophical Writings? (1867–1893)”, p.113, Indiana University Press

A quality is something capable of being completely embodied. A law never can be embodied in its character as a law except by determining a habit. A quality is how something may or might have been. A law is how an endless future must continue to be.

Charles Sanders Peirce, Charles Hartshorne, Paul Weiss, Arthur Walter Burks (1960). “Collected Papers of Charles Sanders Peirce : Edited by Charles Hartshorne and Paul Weiss: Principles of philosophy and Elements of logic”