Philosophy Quotes

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

43879 quotes

T
"The original question, 'Can machines think?' I believe is too meaningless to deserve discussion."
Turing, Alan
T
"Science is a differential equation. Religion is a boundary condition."
Turing, Alan
T
"The view that machines cannot give rise to surprises is due, I believe, to a fallacy to which philosophers and mathematicians are particularly subject."
Turing, Alan
T
"With the examples of the effects of organisation which we are familiar, the analogy suggests that organisation might be the answer to the whole problem."
Turing, Alan
T
"We cannot expect an undisputable answer; the argument is too much like a paradox."
Turing, Alan
T
"The statement 'I am thinking, therefore I am' is a satisfactory basis only for a philosophy of mind."
Turing, Alan
T
"It may be questioned whether intelligence can be exhibited at all by an inanimate being."
Turing, Alan
T
"The only question that remains is the extent to which we should apply anthropomorphic terminology in referring to its operations."
Turing, Alan
T
"The real question is not whether machines can think, but whether men ought to think of machines as thinking."
Turing, Alan
T
"The Church-Turing thesis cannot be a theorem."
Turing, Alan
T
"If we can explain away the genesis of obvious design without a designer, we can almost certainly accept the apparent genesis of design in the universe."
Turing, Alan
B
"The construction of consciousness itself requires the building blocks of mathematical truth."
Brouwer, Luitzen Egbertus Jan
B
"Every mathematical truth carries within it a philosophical consequence."
Brouwer, Luitzen Egbertus Jan
B
"The structure of thought itself mirrors the structure of the universe."
Brouwer, Luitzen Egbertus Jan
B
"Every mathematical discovery is also a discovery about the nature of mind."
Brouwer, Luitzen Egbertus Jan
B
"The rigorous examination of assumptions is the beginning of all philosophy."
Brouwer, Luitzen Egbertus Jan
B
"The structure of language shapes but does not determine the structure of thought."
Brouwer, Luitzen Egbertus Jan
B
"The architect of thought must first understand the materials of thought."
Brouwer, Luitzen Egbertus Jan
H
"The infinite! No other question has ever moved so profoundly the spirit of man."
Hilbert, David
H
"The particular stands in relation to the universal as the body to the soul."
Hilbert, David
H
"The problem of the infinite is the ultimate problem of all philosophy."
Hilbert, David
H
"Every mathematical object carries within it the seeds of its own meaning."
Hilbert, David
H
"The human spirit yearns for both absolute certainty and infinite possibility."
Hilbert, David
H
"The continuous and the discrete: these are the two aspects of reality we must reconcile."
Hilbert, David
H
"To practice mathematics is to explore the very structure of thought itself."
Hilbert, David
H
"The infinite is not a destination, but a direction of inquiry."
Hilbert, David
H
"The structure of mathematics mirrors the structure of reality itself."
Hilbert, David
H
"Incompleteness is not a failure of mathematics, but a glimpse of infinity."
Hilbert, David
H
"The infinite variety of mathematics is contained within its eternal principles."
Hilbert, David
H
"Every proof is a conversation between the mathematician and the universe."
Hilbert, David