Philosophy Quotes

Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.

43879 quotes

C
"The search for meaning is uniquely human."
Carl Sagan
J
"The creatures we share this planet with have intrinsic value beyond their usefulness to us."
Jane Goodall
J
"Connection with animals reveals our own humanity."
Jane Goodall
J
"Philosophy asks the questions that science attempts to answer."
Jane Goodall
M
"I regard consciousness as fundamental. I regard matter as derivative from consciousness."
Max Planck
M
"I am now convinced that theoretical physics is actual philosophy."
Max Planck
M
"The principle of causality has nothing to do with the principle of determinism."
Max Planck
M
"Anybody who realizes that the world of science is separate from the world of human concerns makes a grave mistake."
Max Planck
M
"It is impossible to distinguish between what is real and what appears real when both produce identical results."
Max Planck
M
"The task of science is not to diminish human dignity but to elevate our understanding of it."
Max Planck
S
"Contingency is a thing unto itself, not merely the absence of determinism."
Stephen Jay Gould
S
"Pluralism is not relativism; multiple approaches can exist without all being equally valid."
Stephen Jay Gould
S
"If we wind the tape of life back and replayed it, we would not arrive at humans again."
Stephen Jay Gould
S
"We are part of nature, not observers standing apart from it."
Stephen Jay Gould
S
"To be human is to be aware of our own mortality and our place in deep time."
Stephen Jay Gould
S
"Progress is not inherent in nature; it is an invention of human culture."
Stephen Jay Gould
S
"Homo sapiens is a recent and contingent product of evolution, not its ultimate goal."
Stephen Jay Gould
S
"To understand evolution is to understand that we are part of nature, not separate from it."
Stephen Jay Gould
W
"I am now convinced that theoretical physics is actual philosophy."
Werner Heisenberg
W
"I think that modern physics has definitely decided in favor of Plato."
Werner Heisenberg
W
"For a parallel between physics and mysticism—both are ultimately concerned with something beyond the reach of ordinary words and concepts."
Werner Heisenberg
W
"The division of the world into subject and object, inner world and outer world, is something we cannot overcome."
Werner Heisenberg
W
"The physicist who finds it necessary to speak of the 'reality' of the electron may be asked what he means by the word 'reality.'"
Werner Heisenberg
W
"What is the world? Only a constant flow of events."
Werner Heisenberg
W
"We cannot escape the fact that the world we know is constructed in order (and thus in such a way as to be) understandable to minds like ours."
Werner Heisenberg
"Man could not live if his efforts were determined only by a struggle for existence."
Louis Pasteur
"The mind creates a reality within the reality that exists."
Louis Pasteur
"The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do."
Louis Pasteur
"The laws of nature are written in the language of mathematics."
Louis Pasteur
"I would rather have questions I cannot answer than answers I cannot question."
Richard Feynman