Knowledge Quotes

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

31147 quotes

C
"Logic is the anatomy of thought."
Church, Alonzo
C
"I think that it is a remarkable fact that all the fundamental theorems of analysis can be derived from the concept of the derivative."
Church, Alonzo
C
"What we know is a mere fraction of what we might know."
Church, Alonzo
C
"The pursuit of knowledge is never complete."
Church, Alonzo
C
"Every answer generates new questions."
Church, Alonzo
P
"Mathematical truths are not discovered; they are invented by the human mind."
Poincaré, Henri
P
"Numbers are the alphabet in which the book of nature is written."
Poincaré, Henri
P
"In mathematics, he who does not work with symbols is like a musician without an instrument."
Poincaré, Henri
P
"In the orchestra of knowledge, mathematics plays the fundamental melody."
Poincaré, Henri
P
"Knowledge without application is merely collecting beautiful facts."
Poincaré, Henri
W
"A philosopher's ultimate aim is to construct a coherent, logical system that accounts for the apparent facts of experience."
Whitehead, Alfred North
W
"Abstractness is the glory of the human mind; it is also the source of human error."
Whitehead, Alfred North
T
"If a machine is expected to be infallible, it cannot also be intelligent."
Turing, Alan
T
"Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity."
Turing, Alan
T
"To those who do not know mathematics it is hard to feel the reality of the abstract world."
Turing, Alan
T
"All the evidence we have suggests that it is the explanation of intellectual process in terms of mechanical processes that has hitherto been avoided."
Turing, Alan
T
"It can also be maintained that any sufficiently powerful formal system is, if consistent, incomplete."
Turing, Alan
B
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."
Brouwer, Luitzen Egbertus Jan
B
"To understand the infinite, one must first understand the limitations of finite thought."
Brouwer, Luitzen Egbertus Jan
B
"What we perceive as abstract is often more fundamental than what appears concrete."
Brouwer, Luitzen Egbertus Jan
B
"To understand is to see how everything connects in patterns of necessity."
Brouwer, Luitzen Egbertus Jan
H
"We must know, we will know."
Hilbert, David
H
"The axiomatic method is the highest expression of the mathematical spirit."
Hilbert, David
H
"To create new mathematics, one must first exhaust the old."
Hilbert, David
H
"To understand a proof is to stand upon the shoulders of giants."
Hilbert, David
H
"The infinite presents not a barrier to knowledge, but an invitation to deeper understanding."
Hilbert, David
H
"A paradox resolved is a theorem born."
Hilbert, David
H
"Mathematics is the most democratic of all sciences: its truths belong to all."
Hilbert, David
T
"Semantics is the study of the relationship between language and reality."
Tarski, Alfred
T
"To understand language is to understand the nature of human thought."
Tarski, Alfred