Truth Quotes
What is truth? These quotes explore honesty, reality, and the courage it takes to face both.
40912 quotes
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"To grasp a thought is to apprehend something objective and mind-independent."Frege, Gottlob
"Vagueness is the enemy of philosophical clarity and scientific truth."Frege, Gottlob
"A proposition is true when its sense corresponds to reality; false when it does not."Frege, Gottlob
"To err in logic is to err in our very apprehension of reality."Frege, Gottlob
"The boundaries of a concept should be determinate or it is not a true concept."Frege, Gottlob
"Ambiguity in expression often conceals confusion in thought."Frege, Gottlob
"Truth is not a matter of opinion or convention but of objective correspondence."Frege, Gottlob
"A statement is true if and only if it corresponds to the objective facts."Frege, Gottlob
"The pursuit of precision in language is the pursuit of truth in thought."Frege, Gottlob
"The law of identity states that a thing is equal to itself; this is foundational."Frege, Gottlob
"The task of philosophy is to clarify thought by clarifying language."Frege, Gottlob
"Truth is not correspondence to reality."Putnam, Hilary
"Objective truth is still possible even if we reject metaphysical realism."Putnam, Hilary
"Not all truths are empirically verifiable."Putnam, Hilary
"Truth is elusive but not illusory."Putnam, Hilary
"Mathematical proof is the closest thing we have to absolute certainty."Church, Alonzo
"In logic and mathematics, ambiguity is the greatest enemy."Church, Alonzo
"Decidability is the boundary between the computable and the unknowable."Church, Alonzo
"Mathematics deals with the permanent and unchanging aspects of existence."Church, Alonzo
"Formal systems show us that there are limits to what any finite algorithm can accomplish."Church, Alonzo
"The undecidable represents not a gap in mathematics, but its true infinite nature."Church, Alonzo
"To prove something is impossible is sometimes more valuable than to prove something is possible."Church, Alonzo
"A formal proof is a path through logical space that cannot be disputed."Church, Alonzo
"In formal logic, clarity is not an added virtue but a prerequisite for correctness."Church, Alonzo
"In the realm of formal systems, contradiction is not a point of view but a revelation of error."Church, Alonzo
"In formal reasoning, doubt is not a virtue but an impediment."Church, Alonzo
"The popular view that scientists ever seek, or ever could seek, absolute truth has become outdated."Turing, Alan
"Let us return for a moment to Lady Lovelace's objection. One cannot 'choose' to obey the laws of nature."Turing, Alan
"Anti-realism is the view that truth is not independent of human thought or language."Dummett, Michael
"Language is not a mirror of reality but a tool we have created."Dummett, Michael