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Quote by Charles Sanders Peirce

Work

The Essential Peirce: Selected Philosophical Writings

This book includes a selection of Charles Sanders Peirce's most significant philosophical works, providing insight into his ideas on the nature of truth, the role of logic in inquiry, and the principles of semiotics and pragmatism. It is a valuable resource for students and scholars of philosophy and the history of ideas. more

Author

Charles Sanders Peirce
Charles Sanders Peirce

Charles Sanders Peirce was an American philosopher, logician, and scientist, born on September 10, 1839, and died on April 19, 1914. Known as the founder of modern symbolic logic, Peirce's philosophical ideas have had a profound impact on fields such as logic, philosophy of science, and cognitive science. more

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“A sound Physics of the Earth should include all the primary considerations of the earth's atmosphere, of the characteristics and continual changes of the earth's external crust, and finally of the origin and development of living organisms. These considerations naturally divide the physics of the earth into three essential parts, the first being a theory of the atmosphere, or Meteorology, the second, a theory of the earth's external crust, or Hydrogeology, and the third, a theory of living organisms, or Biology.”

“Considered as a mere question of physics, (and keeping all moral considerations entirely out of sight,) the appearance of man is a geological phenomenon of vast importance, indirectly modifying the whole surface of the earth, breaking in upon any supposition of zoological continuity, and utterly unaccounted for by what we have any right to call the laws of nature.”

“Geology is the science which investigates the successive changes that have taken place in the organic and inorganic kingdoms of nature; it enquires into the causes of these changes, and the influence which they have exerted in modifying the surface and external structure of our planet.”

“Geology, perhaps more than any other department of natural philosophy, is a science of contemplation. It requires no experience or complicated apparatus, no minute processes upon the unknown processes of matter. It demands only an enquiring mind and senses alive to the facts almost everywhere presented in nature. And as it may be acquired without much difficulty, so it may be improved without much painful exertion.”