Philosophy Quotes

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

43879 quotes

F
"Concepts are not mental contents but abstract entities."
Frege, Gottlob
F
"The laws of thought are the laws of being itself."
Frege, Gottlob
F
"Concepts form a structured hierarchy of subordination."
Frege, Gottlob
F
"Every judgment asserts a relation between thoughts and truth."
Frege, Gottlob
F
"The structure of thought is isomorphic to the structure of reality."
Frege, Gottlob
F
"Thoughts are the primary bearers of truth and falsehood."
Frege, Gottlob
W
"The eternal mystery of the world is its comprehensibility; that it is comprehensible is a miracle."
Weyl, Hermann
W
"What can be more important than the laws by which we live and think?"
Weyl, Hermann
W
"The structure of nature reveals an elegance and economy that points to something beyond mere chance."
Weyl, Hermann
C
"I found that there were about 600 or so lot of people who were by definition only people who were trying to figure things out."
Church, Alonzo
C
"I believe that mathematical reality lies outside us, that our role is to discover it, not to invent it."
Church, Alonzo
C
"The task of the philosopher is not to refute errors but to understand them."
Church, Alonzo
C
"The universe is fundamentally mathematical in nature."
Church, Alonzo
C
"The world is understandable through logic and reason."
Church, Alonzo
C
"All things are connected through the language of mathematics."
Church, Alonzo
C
"Reality transcends our limited perceptions."
Church, Alonzo
C
"All truths are connected in the fabric of reality."
Church, Alonzo
C
"Discipline in thought is essential to understanding."
Church, Alonzo
P
"The mind uses its categories to understand the world, but the world itself transcends these categories."
Poincaré, Henri
P
"The universe is indifferent to our suffering, which is precisely why we must create meaning."
Poincaré, Henri
P
"The map is not the territory, though we often confuse the two."
Poincaré, Henri
P
"Philosophy is the art of asking questions that science cannot yet answer."
Poincaré, Henri
W
"The only concrete fact of experience is that something takes place; that there is activity which is productive of effects; and that there is a passage of time."
Whitehead, Alfred North
W
"Every event in the world is determined by how it is prehended, or felt, by other entities."
Whitehead, Alfred North
W
"Speculative philosophy is the endeavor to frame a coherent, logical, necessary system of general ideas."
Whitehead, Alfred North
W
"The world is not composed of things, but of events and processes."
Whitehead, Alfred North
W
"The fundamental error of most philosophy is the attempt to reduce multiplicity to simplicity."
Whitehead, Alfred North
W
"Consciousness is not a thing, but a process of creative integration."
Whitehead, Alfred North
W
"The universe is intelligible to the human mind precisely because mind is part of the universe."
Whitehead, Alfred North
T
"The question 'Can machines think?' I believe is too meaningless to deserve discussion."
Turing, Alan