Philosophy Quotes

Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.

43879 quotes

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"The quantum world is not weird; our intuitions about reality are limited."
Dirac, Paul
D
"One must have faith in the power of reason, but not blind faith."
Dirac, Paul
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"Everything is determined, the beginning as well as the end, by forces over which we have no control."
Einstein, Albert
E
"Reality is merely an illusion, albeit a very persistent one."
Einstein, Albert
E
"Three great forces rule the world: stupidity, fear, and greed."
Einstein, Albert
E
"The true definition of madness is repeating the same action and expecting a different result."
Einstein, Albert
v
"Philosophy of science must grapple with what we can and cannot know about the unobservable world."
van Fraassen, Bas
v
"Constructive empiricism offers a middle path between naive realism and radical skepticism."
van Fraassen, Bas
v
"Accepting a theory requires only that it fits our observations, not our metaphysics."
van Fraassen, Bas
v
"Realism demands too much; skepticism demands too little. Constructivism finds balance."
van Fraassen, Bas
v
"Philosophy must remain responsive to what science actually reveals about nature."
van Fraassen, Bas
v
"We must distinguish between explaining phenomena and explaining reality itself."
van Fraassen, Bas
v
"Modal logic and possible worlds help us understand meaning without requiring realism."
van Fraassen, Bas
v
"Naturalness and elegance are guides, but not guarantees of truth."
van Fraassen, Bas
v
"The verificationist tradition correctly emphasized the importance of empirical evidence."
van Fraassen, Bas
v
"The relationship between language and reality remains one of philosophy's deepest questions."
van Fraassen, Bas
v
"Science is a human enterprise, shaped by our perspectives and limitations."
van Fraassen, Bas
v
"Skepticism about unobservables need not lead to skepticism about observable science."
van Fraassen, Bas
v
"Philosophy continues the ancient human quest to understand our place in nature."
van Fraassen, Bas
v
"The scientific worldview is powerful, but it does not exhaust all meaningful questions."
van Fraassen, Bas
v
"Philosophical naturalism respects science while remaining open to philosophical insight."
van Fraassen, Bas
v
"Science's reliability derives from its accountability to observable nature."
van Fraassen, Bas
v
"Modal reasoning helps us think clearly about necessity and possibility."
van Fraassen, Bas
v
"The debate between realists and constructivists energizes contemporary philosophy of science."
van Fraassen, Bas
v
"The philosophy of physics exemplifies the deepest challenges in understanding reality."
van Fraassen, Bas
v
"Science succeeds not by claiming final truth, but by refining understanding."
van Fraassen, Bas
v
"Philosophy asks questions that science cannot answer but must acknowledge."
van Fraassen, Bas
v
"The philosophy of language shapes how we understand scientific meaning."
van Fraassen, Bas
v
"Realism about observables need not entail realism about unobservables."
van Fraassen, Bas
v
"The metaphysics of science remains an open and vital philosophical domain."
van Fraassen, Bas