Knowledge Quotes

From ancient scholars to modern scientists, these quotes explore what it means to learn and to know.

31147 quotes

Q
"Analyticity cannot be precisely defined—it is a matter of degree."
Quine, Willard Van Orman
Q
"Language is conventional, but not arbitrary—it serves our purposes."
Quine, Willard Van Orman
Q
"Reference is mediated by our theories, never direct."
Quine, Willard Van Orman
Q
"We know the world only through the lens of language and theory."
Quine, Willard Van Orman
Q
"Translation is always interpretive; perfect translation is impossible."
Quine, Willard Van Orman
Q
"Determinacy of meaning is an ideal we approach but never reach."
Quine, Willard Van Orman
Q
"The mind is not a mirror of nature but an active interpreter."
Quine, Willard Van Orman
Q
"Meaning is constituted by relations, not by intrinsic properties."
Quine, Willard Van Orman
Q
"We know the world as it appears to us through our theories."
Quine, Willard Van Orman
Q
"The set-theoretic hierarchy is a useful fiction for organization."
Quine, Willard Van Orman
Q
"Meaning without use is empty."
Quine, Willard Van Orman
C
"To understand a concept is to understand its verification procedure."
Carnap, Rudolf
C
"Synthetic knowledge depends upon empirical observation and theoretical coherence."
Carnap, Rudolf
C
"The growth of knowledge is inseparable from the refinement of our linguistic tools."
Carnap, Rudolf
C
"Understanding requires seeing how concepts function in practical and theoretical contexts."
Carnap, Rudolf
C
"Knowledge advances through successive refinements of our conceptual apparatus."
Carnap, Rudolf
C
"Induction provides probable, never absolute, confirmation of synthetic statements."
Carnap, Rudolf
C
"Clarity in language is the gateway to clarity in thought."
Carnap, Rudolf
C
"Understanding requires grasping how language functions in particular contexts."
Carnap, Rudolf
C
"Knowledge grows through replacing ambiguous language with precise logical formulations."
Carnap, Rudolf
C
"Rational thought depends upon clear definition and consistent use of concepts."
Carnap, Rudolf
P
"The growth of knowledge is the growth of the awareness of our ignorance."
Popper, Karl
P
"The more we learn about the world, the more we recognize its inexhaustibility."
Popper, Karl
P
"There exists an almost complete absence of even the most elementary knowledge."
Popper, Karl
P
"The more we learn, the more we realize how much we do not know."
Popper, Karl
P
"All objects are only possibilities for knowledge, not knowledge itself."
Popper, Karl
A
"Language games shape our understanding of reality more than reality itself."
Ayer, Alfred Jules
A
"The task of philosophy is to analyze, not to speculate about the unknowable."
Ayer, Alfred Jules
A
"All knowledge ultimately derives from sensory experience."
Ayer, Alfred Jules
A
"To understand reality, we must first understand how language represents it."
Ayer, Alfred Jules