Quote#Nature
Of this nature are all natural signs and physical symptoms. I call…
Quote byCharles Sanders Peirce · 1839–1914
Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: On The Algebra of Logic (1885).
English (original)
Of this nature are all natural signs and physical symptoms. I call such a sign an index, a pointing finger being the type of the class. The index asserts nothing; it only says "There!" It takes hold of our eyes, as it were, and forcibly directs them to a particular object, and there it stops.
— Charles Sanders Peirce
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