Knowledge Quotes

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

31147 quotes

K
"The sources of knowledge are many, but they all flow into the same river of understanding."
Karl Popper
K
"Our knowledge is a drop; our ignorance is an ocean."
Karl Popper
K
"All human knowledge is provisional."
Karl Popper
P
"Knowledge is not something pure and sedate, it is a kind of chaos."
Paul Feyerabend
P
"Theory-laden observation is still observation, but it is observation from a particular perspective."
Paul Feyerabend
P
"Every method has limitations that its practitioners refuse to acknowledge."
Paul Feyerabend
P
"Every act of understanding is an act of creation."
Paul Feyerabend
P
"The boundaries of disciplines are human constructs, not natural divisions."
Paul Feyerabend
P
"Intelligence is the ability to hold contradictory ideas and still function."
Paul Feyerabend
W
"We cannot avoid the web of our own making."
Willard Van Orman Quine
W
"Synonymy is more elusive than we typically assume."
Willard Van Orman Quine
W
"Vagueness is a feature, not a bug, of human language."
Willard Van Orman Quine
W
"Belief systems form a network, not a hierarchy."
Willard Van Orman Quine
W
"Objects are bundles of properties we have learned to perceive together."
Willard Van Orman Quine
W
"We revise our most cherished beliefs only under pressure."
Willard Van Orman Quine
W
"Sensory experience underdetermines the world we construct."
Willard Van Orman Quine
W
"The web of belief anchors itself in sensory experience."
Willard Van Orman Quine
W
"Knowledge is justified true belief—or so it seemed to tradition."
Willard Van Orman Quine
W
"Epistemology without psychology is epistemology without content."
Willard Van Orman Quine
W
"Concepts carve reality only as finely as our purposes require."
Willard Van Orman Quine
W
"The web of belief extends from sensory periphery to theoretical core."
Willard Van Orman Quine
L
"Economics is not about things and tangible material objects; it is about human choices and decisions."
Ludwig von Mises
L
"I am trying to understand how the human mind works."
Ludwig von Mises
L
"Knowledge is power, but only action is success."
Ludwig von Mises
L
"Several economists of great ability have disagreed with the main teachings of Keynes."
Ludwig von Mises
L
"Statistical data are useful when dealing with large numbers of people."
Ludwig von Mises
L
"The human mind is the ultimate resource."
Ludwig von Mises
L
"Understanding human action is the foundation of all social science."
Ludwig von Mises
N
"The general population doesn't know what's happening, and it doesn't even know that it doesn't know."
Noam Chomsky
N
"Humans have certain properties and characteristics which are intrinsic to them, among them the capacity to use language."
Noam Chomsky