Knowledge Quotes

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

31147 quotes

S
"The logical structure of our language reflects deep features of human cognitive development."
Sellars, Wilfrid
S
"The distinction between using a word and mentioning a word is crucial for avoiding confusion about language."
Sellars, Wilfrid
S
"Sensory experience is already conceptualized; raw sensation without meaning is a philosophical fiction."
Sellars, Wilfrid
S
"Language games show us that meaning is a function of how signs are used within systems of practice."
Sellars, Wilfrid
H
"Understanding requires more than observation; it demands logical structure and rational inference."
Hempel, Carl
H
"The language of science must be precise, or it ceases to be science at all."
Hempel, Carl
H
"The pursuit of knowledge is never complete; each answer generates new questions."
Hempel, Carl
H
"To understand something is to know why it must be the way it is."
Hempel, Carl
H
"The pursuit of knowledge is fundamentally an exercise in intellectual humility."
Hempel, Carl
H
"Understanding is achieved when seemingly disparate facts reveal underlying unity."
Hempel, Carl
H
"Science is the great antidote to both ignorance and arrogance."
Hempel, Carl
H
"The greatest obstacles to understanding are not mysteries but false certainties."
Hempel, Carl
L
"Bold conjectures, severe refutations - this is how we advance knowledge."
Lakatos, Imre
L
"The problem is not that we have prejudices, but that we do not know we have them."
Lakatos, Imre
L
"The worst enemy of knowledge is not ignorance but false certainty."
Lakatos, Imre
L
"To understand a theory, you must understand its weaknesses better than its strengths."
Lakatos, Imre
L
"Knowledge grows not through accumulation but through revolution and reconstruction."
Lakatos, Imre
L
"The growth of knowledge requires both bold conjecture and ruthless criticism."
Lakatos, Imre
L
"Every discovery in science contains within it the seeds of its own refutation."
Lakatos, Imre
L
"In science, modesty about what we know is inseparable from boldness about what we might discover."
Lakatos, Imre
L
"What makes a research programme progressive is its capacity to make novel predictions."
Lakatos, Imre
L
"What makes a theory mature is not that it has few problems, but that it can articulate its problems clearly."
Lakatos, Imre
L
"Knowledge grows not by reinforcing what we believe, but by dismantling it."
Lakatos, Imre
H
"The scientist does not see with innocent eyes; every observation is laden with theory."
Hanson, Norwood Russell
H
"The same phenomena can support radically different interpretations depending on one's theoretical background."
Hanson, Norwood Russell
H
"The meaning of an observation depends on the theoretical network it inhabits."
Hanson, Norwood Russell
H
"To understand a scientific claim, one must understand its place in a larger system."
Hanson, Norwood Russell
H
"The interpretation of evidence is always underdetermined by the evidence itself."
Hanson, Norwood Russell
H
"What we can observe depends partly on what we expect and hope to find."
Hanson, Norwood Russell
H
"Scientific facts are not discovered in isolation but within networks of theoretical relations."
Hanson, Norwood Russell