Knowledge Quotes

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

31147 quotes

R
"The pursuit of crystalline perfection mirrors the pursuit of truth in all things."
Rosalind Franklin
R
"The structure of molecules cannot be guessed—it must be measured and verified."
Rosalind Franklin
R
"To understand life at the molecular level is to understand life itself."
Rosalind Franklin
R
"The molecules of life tell stories that only rigorous science can read."
Rosalind Franklin
R
"The molecules of life are written in a language that science alone can translate."
Rosalind Franklin
R
"One should pursue knowledge not for what it brings, but for what it reveals."
Rosalind Franklin
R
"To be a scientist is to be perpetually humbled by nature's complexity."
Rosalind Franklin
R
"Science is the most honest dialogue possible between the human mind and reality."
Rosalind Franklin
C
"The brain is like a muscle. When it is in use we feel very good about ourselves."
Carl Sagan
C
"Science demands evidence, and in the absence of evidence, it's honest to say we don't know."
Carl Sagan
C
"We are unique by virtue of our sapience and our capacity for understanding."
Carl Sagan
J
"In the end, we will conserve only what we love, we will love only what we understand, and we will understand only what we are taught."
Jane Goodall
J
"Learning never stops. Curiosity is the engine of growth."
Jane Goodall
J
"The pursuit of knowledge is a lifelong journey."
Jane Goodall
M
"A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die and a new generation grows up that is familiar with it."
Max Planck
M
"The recognition of the reality of the atomic world was one of the greatest intellectual triumphs of the nineteenth century."
Max Planck
M
"We cannot take the sciences as a subject of mathematical or physical investigation; all we can do is to describe the state of our knowledge at any given moment."
Max Planck
M
"The goal of science is not to open the door to infinite wisdom, but to place a limit on infinite error."
Max Planck
M
"The goal is not to have a complete and final understanding, but to make progress toward it."
Max Planck
M
"The most important product of science is not knowledge but understanding."
Max Planck
S
"Science is not a collection of laws, a catechism of unbreakable rules."
Stephen Jay Gould
S
"A theory that cannot be tested is metaphysics, not science."
Stephen Jay Gould
S
"Creationism is not science because it cannot be disproven by observation."
Stephen Jay Gould
S
"The more we learn about other species, the more we understand ourselves."
Stephen Jay Gould
S
"We must distinguish between the fact of evolution and the theories that explain it."
Stephen Jay Gould
S
"We are the only known species capable of understanding our own evolutionary history."
Stephen Jay Gould
S
"The universe does not owe us explanations, but science attempts to find them anyway."
Stephen Jay Gould
W
"An expert is a person who has made all the mistakes that can be made in his field."
Werner Heisenberg
W
"A scientist only has the right to make statements that can be verified by experiment or observation."
Werner Heisenberg
W
"Whenever we proceed from the known into the unknown we may hope to understand, but we may have to learn at the same time a new meaning of the word 'understanding.'"
Werner Heisenberg