Philosophy Quotes
Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.
43879 quotes
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"Thought is not a private possession but something objective and eternal."Frege, Gottlob
"Every valid inference preserves truth through logical necessity."Frege, Gottlob
"The concept is what remains when we remove the marks of individual thinkers."Frege, Gottlob
"The sign points beyond itself to what is meant."Frege, Gottlob
"We speak as if objects have properties, but these are conceptual impositions."Frege, Gottlob
"Concepts organize reality; they do not create it."Frege, Gottlob
"The objective world is knowable only through thought."Frege, Gottlob
"The fundamental distinction is between object and concept."Frege, Gottlob
"Logical form is what remains invariant across different expressions."Frege, Gottlob
"Objects fall under concepts; concepts do not fall under objects."Frege, Gottlob
"Thought grasps the eternal and unchanging."Frege, Gottlob
"The realm of sense is populated by thoughts, which are abstract entities."Frege, Gottlob
"Objects and concepts are ontologically distinct categories."Frege, Gottlob
"Reality has a structure that thought can mirror."Frege, Gottlob
"Sense determines reference through the mediation of logical structure."Frege, Gottlob
"To compute is to think; to think deeply is to compute eternally."Church, Alonzo
"The universe is indifferent; this is what makes human meaning precious."Church, Alonzo
"The examined life is the only life worth living."Church, Alonzo
"The mind uses its faculty for reason to extinguish the very faculty by which it reasons."Poincaré, Henri
"The effort to understand the universe is one of the very few things that lifts human life a little above the level of farce."Poincaré, Henri
"Language is a tool for the concealment of thought."Poincaré, Henri
"In the realm of ideas, a thousand possibilities exist; in the realm of action, only one."Poincaré, Henri
"To understand others, we must first understand ourselves."Poincaré, Henri
"To know yourself is to begin to know the universe."Poincaré, Henri
"The art of progress is to preserve order amid change and to preserve change amid order."Whitehead, Alfred North
"The safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato."Whitehead, Alfred North
"The true method of philosophy is like the flight of an aeroplane."Whitehead, Alfred North
"The paradox of realism is only to be avoided by the recognition that the universe exhibits a creativity irreducible to either mentality or physicality."Whitehead, Alfred North
"The purpose of philosophy is to rationalize mysticism: not to deny it."Whitehead, Alfred North
"Importance is the things that matter beyond the surface of immediate fact."Whitehead, Alfred North