Science Quotes

Discovery, wonder, and the relentless pursuit of understanding how the world works.

20549 quotes

"Science is not a monolithic enterprise but a collection of diverse practices."
Feyerabend, Paul
H
"Science aims at generality; history at individuality. Both are legitimate pursuits of knowledge."
Hempel, Carl
H
"The demarcation between science and non-science is not always sharp and clear-cut."
Hempel, Carl
H
"A scientific law must be testable and capable of being refuted by experience."
Hempel, Carl
H
"Explanation in science requires subsumption under general laws."
Hempel, Carl
H
"The covering law model provides a rational reconstruction of scientific explanation."
Hempel, Carl
H
"Probabilistic laws can serve as the basis for legitimate scientific explanations."
Hempel, Carl
H
"Scientific concepts must be operationally defined to have empirical meaning."
Hempel, Carl
H
"A hypothesis is scientific only if it can be empirically tested and potentially falsified."
Hempel, Carl
H
"Explanation and prediction have the same logical structure in science."
Hempel, Carl
H
"The purpose of science is to describe and explain natural phenomena systematically."
Hempel, Carl
H
"We cannot observe theoretical entities directly; we infer their existence from observable effects."
Hempel, Carl
H
"A merely successful prediction does not constitute a genuine scientific explanation."
Hempel, Carl
H
"Laws of nature differ from accidental generalizations in their modal force."
Hempel, Carl
H
"A scientific explanation must invoke general laws, not merely particular facts."
Hempel, Carl
H
"Explanation requires nomological necessity—subsumption under exceptionless laws."
Hempel, Carl
H
"Anomalies in science can sometimes lead to revolutionary new theories."
Hempel, Carl
H
"The rationality of science lies in its self-correcting mechanisms."
Hempel, Carl
H
"The evidence never uniquely determines a theory; underdetermination is endemic."
Hempel, Carl
H
"Explanation differs from mere description by invoking causal or nomological principles."
Hempel, Carl
H
"A complete science would explain why the fundamental laws are as they are."
Hempel, Carl
H
"Observational terms and theoretical terms blur together in mature science."
Hempel, Carl
H
"The role of mathematics in science is to represent structural relationships precisely."
Hempel, Carl
H
"Scientific realism assumes that our best theories describe reality as it actually is."
Hempel, Carl
H
"Falsifiability is a criterion of empirical significance, not truth."
Hempel, Carl
H
"The explanatory power of a theory must be evaluated relative to its alternatives."
Hempel, Carl
H
"Rational criticism of scientific theories requires explicit standards of evaluation."
Hempel, Carl
H
"The unity of science is an aspiration rather than an accomplished fact."
Hempel, Carl
H
"Logical analysis reveals the structure of scientific reasoning."
Hempel, Carl
H
"A theory that explains everything explains nothing in particular."
Hempel, Carl