Knowledge Quotes

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

31147 quotes

F
"Logic is prior to all other sciences."
Frege, Gottlob
F
"We discover truths; we do not create them."
Frege, Gottlob
F
"Every thought has a determinate sense."
Frege, Gottlob
F
"Concepts stand in fixed relations to one another."
Frege, Gottlob
F
"The meaning of a word must be specified clearly."
Frege, Gottlob
F
"Every concept divides objects into classes."
Frege, Gottlob
F
"The sense of an expression determines its reference."
Frege, Gottlob
F
"Objects and concepts are fundamentally different."
Frege, Gottlob
F
"A name stands for an object; a concept stands for a function."
Frege, Gottlob
F
"Objects fall under concepts; concepts do not fall under concepts."
Frege, Gottlob
F
"We apprehend thoughts; we do not create them."
Frege, Gottlob
F
"Clarity is the sine qua non of philosophy."
Frege, Gottlob
F
"Objects and functions are the furniture of the world."
Frege, Gottlob
W
"The true method of discovery is like the flight of an aeroplane. It starts with the ground of particular observation; it makes a flight in the thin air of imaginative generalization; and it again lands for renewed observation rendered acute by rational analysis."
Whitehead, Alfred North
W
"Exact knowledge is the enemy of discovery."
Whitehead, Alfred North
W
"Understanding is the apex of existence."
Whitehead, Alfred North
W
"The unity of experience is vital to understanding."
Whitehead, Alfred North
P
"Logic teaches us that on a certain stage things must be; experience teaches us that on a certain other stage they are or are not, obligatory or impossible."
Poincaré, Henri
P
"A mathematical truth is neither simple nor complicated in itself, it is."
Poincaré, Henri
P
"The scientist worthy of the name is one who has this constant desire to know all new discoveries as they come along."
Poincaré, Henri
P
"Objects are not what matter. What matters is our knowledge of objects."
Poincaré, Henri
P
"I would rather discover one cause than be the author of many effects."
Poincaré, Henri
P
"Facts are less important than the relations between facts."
Poincaré, Henri
P
"The language of mathematics is the universal tongue."
Poincaré, Henri
P
"A good definition is one that illuminates rather than obscures."
Poincaré, Henri
P
"What we call a result is only a resting point on an infinite road."
Poincaré, Henri
P
"The greatest scientist is not the one with the most facts but with the best questions."
Poincaré, Henri
P
"Human knowledge is like a tree; it grows but never loses its roots."
Poincaré, Henri
P
"Order emerges not from chaos but from our understanding of it."
Poincaré, Henri
W
"The mathematical mind is not just about numbers, but about seeing patterns in the universe."
Weyl, Hermann