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Leviathan

Thomas Hobbes · 1651 primary

passage 370 of 397 · PART I. > CHAPTER XLVI. OF DARKNESSE FROM VAIN PHILOSOPHY, AND FABULOUS TRADITIONS (1/14)

in brief
Hobbes defines philosophy as knowledge derived by reasoning to produce effects, then limits it by excluding experience/prudence, false conclusions, supernatural revelation, and knowledge taken on authority as mere faith.

What Philosophy Is

By Philosophy is understood "the Knowledge acquired by Reasoning, from the Manner of the Generation of any thing, to the Properties; or from the Properties, to some possible Way of Generation of the same; to the end to bee able to produce, as far as matter, and humane force permit, such Effects, as humane life requireth." So the Geometrician, from the Construction of Figures, findeth out many Properties thereof; and from the Properties, new Ways of their Construction, by Reasoning; to the end to be able to measure Land and Water; and for infinite other uses. So the Astronomer, from the Rising, Setting, and Moving of the Sun, and Starres, in divers parts of the Heavens, findeth out the Causes of Day, and Night, and of the different Seasons of the Year; whereby he keepeth an account of Time: And the like of other Sciences.

Prudence No Part Of Philosophy

By which Definition it is evident, that we are not to account as any part thereof, that originall knowledge called Experience, in which consisteth Prudence: Because it is not attained by Reasoning, but found as well in Brute Beasts, as in Man; and is but a Memory of successions of events in times past, wherein the omission of every little circumstance altering the effect, frustrateth the expectation of the most Prudent: whereas nothing is produced by Reasoning aright, but generall, eternall, and immutable Truth.

No False Doctrine Is Part Of Philosophy

Nor are we therefore to give that name to any false Conclusions: For he that Reasoneth aright in words he understandeth, can never conclude an Error:

No More Is Revelation Supernaturall

Nor to that which any man knows by supernaturall Revelation; because it is not acquired by Reasoning:

Nor Learning Taken Upon Credit Of Authors

Nor that which is gotten by Reasoning from the Authority of Books; because it is not by Reasoning from the Cause to the Effect, nor from the Effect to the Cause; and is not Knowledge, but Faith.

Of The Beginnings And Progresse Of Philosophy

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topics: doubt, skepticism, and certainty · logic, method, and demonstration · reason and the intellect

Leviathan · Thomas Hobbes · 1651