Truth Quotes

What is truth? These quotes explore honesty, reality, and the courage it takes to face both.

40912 quotes

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"The concept of truth itself requires a metalanguage to adequately express what we mean by it."
Tarski, Alfred
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"A sentence is true if it corresponds to reality, but expressing this correspondence demands precision in language."
Tarski, Alfred
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"We call true those statements that correspond to the structure of reality, but describing that structure requires care."
Tarski, Alfred
T
"Truth is not a property that sentences possess independently; it is a relation between sentences and the world."
Tarski, Alfred
C
"Truth in mathematics is discovered, not invented, though its presentation requires invention."
Church, Alonzo
C
"A proof is a conversation between the mathematician and truth itself."
Church, Alonzo
C
"Consistency is the minimum requirement for a useful system of thought."
Church, Alonzo
C
"A theorem is a truth that has proven itself worthy of the name."
Church, Alonzo
C
"Logic is not a law imposed from without but a structure discovered within."
Church, Alonzo
C
"Incompleteness is not a flaw of mathematics but a revelation about any sufficiently complex system."
Church, Alonzo
C
"The principle of non-contradiction is the bedrock upon which all rational thought rests."
Church, Alonzo
C
"Formalism provides the precision necessary for absolute clarity."
Church, Alonzo
C
"The consistency of a system cannot be proven from within that system."
Church, Alonzo
C
"The principle of excluded middle is a cornerstone of classical logic."
Church, Alonzo
C
"A well-formed expression is one that obeys the grammar of rational discourse."
Church, Alonzo
C
"The equivalence of different notations shows that form is distinct from substance."
Church, Alonzo
C
"Logic teaches that what is necessarily true cannot be otherwise."
Church, Alonzo
P
"Truth is not correspondence to reality; it is a property of coherence within our conceptual schemes."
Putnam, Hilary
P
"Objectivity does not require escaping human perspective; it requires acknowledging it."
Putnam, Hilary
P
"Pragmatism teaches that the truth of a belief lies in its successful action in the world."
Putnam, Hilary
P
"There are multiple ways of being true that are not reducible to scientific truth."
Putnam, Hilary
P
"The success of science does not guarantee that our current science is true."
Putnam, Hilary
P
"The fact-value distinction is important, but it does not render values merely subjective."
Putnam, Hilary
P
"We should be pluralists about truth, not relativists or absolutists."
Putnam, Hilary
P
"The social construction of reality does not mean reality is merely subjective."
Putnam, Hilary
P
"Moral progress is real, even if we cannot ground it in a view from nowhere."
Putnam, Hilary
P
"Truth is a topic for metaphysics and epistemology together, not either alone."
Putnam, Hilary
C
"Consciousness is not an illusion, even if our theories about it are incomplete."
Chalmers, David
C
"We must take the explanatory gap seriously rather than dismissing it as an illusion."
Chalmers, David
C
"Consciousness is perhaps the only thing we know with absolute certainty."
Chalmers, David