Philosophy Quotes

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

43879 quotes

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"To what extent do we regard the machine as thinking? This is where we must be careful in our use of language."
Turing, Alan
T
"If we can make machines that think, what does that say about the nature of human thought itself?"
Turing, Alan
T
"Man as a whole, or man as a mathematician, is not comparable to a machine, but some parts of man are."
Turing, Alan
T
"The real question is not whether machines can think, but whether they can be built to behave as if they think."
Turing, Alan
T
"As machines become more sophisticated, the line between simulation and reality becomes increasingly blurred."
Turing, Alan
D
"The meaning of a statement lies in its verification conditions."
Dummett, Michael
D
"The principle of bivalence does not hold in constructive mathematics."
Dummett, Michael
D
"Metaphysics depends upon whether we accept realism about abstract entities."
Dummett, Michael
D
"Wittgenstein's later philosophy corrects many of his earlier mistakes."
Dummett, Michael
D
"The foundations of mathematics remain deeply contested."
Dummett, Michael
D
"Abstract objects pose serious problems for any realist theory."
Dummett, Michael
D
"We cannot step outside our conceptual schemes to verify them."
Dummett, Michael
D
"Metaphysical disputes often rest on hidden assumptions."
Dummett, Michael
D
"The mind-body problem reflects confused linguistic categories."
Dummett, Michael
D
"Universals present special problems for any ontology."
Dummett, Michael
D
"The identity of indiscernibles remains philosophically contested."
Dummett, Michael
D
"Propositions require shared standards to be meaningful."
Dummett, Michael
D
"The meaning of negation remains deeply problematic."
Dummett, Michael
D
"The analysis of modality requires careful logical work."
Dummett, Michael
D
"Identity and distinctness are not simple concepts."
Dummett, Michael
D
"Logical constants have special linguistic properties."
Dummett, Michael
D
"Properties are not independent of the concepts used to describe them."
Dummett, Michael
D
"Language games reveal the groundlessness of logical necessity."
Dummett, Michael
D
"Language does not describe a pre-given reality."
Dummett, Michael
D
"Intentionality must be explained in linguistic terms."
Dummett, Michael
W
"Speculative philosophy is the endeavour to frame a coherent, logical, necessary system of general ideas."
Whitehead, Alfred North
W
"Importance is not intrinsic to a physical fact."
Whitehead, Alfred North
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"Matter is the most obvious illustration of a general principle—that individual existence is derived from process."
Whitehead, Alfred North
W
"Ethics and aesthetics are one."
Whitehead, Alfred North
W
"Every event is a synthesis of elements drawn from the universe."
Whitehead, Alfred North