Knowledge Quotes

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

31147 quotes

D
"The beautiful thing about understanding one subject deeply is that you can then understand all subjects."
Dirac, Paul
D
"One must have a consistent theory to make predictions that are testable."
Dirac, Paul
D
"We should not be content with our understanding until it can be expressed in the simplest possible terms."
Dirac, Paul
D
"To doubt everything except the laws of motion is to miss the point of science."
Dirac, Paul
E
"If you can't explain it simply, you don't understand it well enough."
Einstein, Albert
E
"Any fool can know. The point is to understand."
Einstein, Albert
E
"The only source of knowledge is experience."
Einstein, Albert
E
"The answer is simple. It is the questions that are complicated."
Einstein, Albert
v
"Observable phenomena exhaust what we can meaningfully evaluate in scientific theories."
van Fraassen, Bas
v
"The debate between realism and empiricism shapes how we understand scientific knowledge."
van Fraassen, Bas
v
"The distinction between observables and unobservables is philosophically crucial."
van Fraassen, Bas
v
"The empiricist tradition honors experience as the ultimate arbiter of knowledge."
van Fraassen, Bas
v
"The constructive empiricist respects both empirical evidence and honest uncertainty."
van Fraassen, Bas
v
"Science progresses through refinement of models that capture observable regularities."
van Fraassen, Bas
v
"Observable phenomena provide the bedrock upon which all empirical knowledge rests."
van Fraassen, Bas
v
"Evidence constrains theory, but does not uniquely determine it."
van Fraassen, Bas
v
"The map of knowledge is vast, but its territory remains partially unmapped."
van Fraassen, Bas
v
"Knowledge and mere opinion are distinguished by evidential support."
van Fraassen, Bas
v
"The growth of knowledge is a collective human achievement across generations."
van Fraassen, Bas
v
"Empiricism teaches that experience is the ultimate source of our knowledge."
van Fraassen, Bas
v
"Knowledge integrates evidence, reasoning, and acknowledgment of uncertainty."
van Fraassen, Bas
W
"In mathematics you don't understand things. You just get used to them."
Weyl, Hermann
W
"Space and time are not given to us; we construct them."
Weyl, Hermann
W
"We live in a world of mathematical relationships."
Weyl, Hermann
W
"Mathematics is the gateway to understanding reality."
Weyl, Hermann
W
"The laws of mathematics are the laws of thought itself."
Weyl, Hermann
W
"Mathematics is the art of giving the same name to different things."
Weyl, Hermann
W
"Mathematics is the queen of sciences, and number theory is the queen of mathematics."
Weyl, Hermann
W
"The language of mathematics is universal and eternal."
Weyl, Hermann
W
"The task of the theoretical physicist is not so much to calculate what will happen, but to understand why it happens."
Wigner, Eugene