Philosophy Quotes
Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.
43879 quotes
"Simplicity does not precede complexity but follows it."Richard Feynman
"Keep asking why until you reach the fundamental laws of nature."Richard Feynman
"The universe is a complex interplay of simple principles."Richard Feynman
"The principle of science is that you do not know anything for sure."Richard Feynman
"What makes us human is our moral conscience."Jane Goodall
"The difference between humans and animals is that we have the ability to make moral choices."Jane Goodall
"Progress is not about control and dominance, but about harmony and cooperation."Jane Goodall
"The human mind tends to see what it expects to see."Galileo Galilei
"All are born alike, yet a few are born to be superior."Galileo Galilei
"Heaven and Earth are of one piece."Galileo Galilei
"The voice of reason is often quieted by the masses."Galileo Galilei
"Philosophy and science are sisters in the pursuit of eternal truth."Louis Pasteur
"The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane."Nikola Tesla
"What one man calls God, another calls the laws of physics."Nikola Tesla
"The human being is a self-propelled automaton entirely under the control of external influences."Nikola Tesla
"The distinction between the world of commerce and the world of pure science should be more clearly marked."Nikola Tesla
"Human beings are merely a vehicle for ideas."Nikola Tesla
"The universe is not hostile, nor is it friendly. It is indifferent."Carl Sagan
"We should always be suspicious of those who claim to have the truth, and skeptical of those who claim certainty."Carl Sagan
"We are the consciousness of the cosmos. This is our greatest privilege and our greatest burden."Carl Sagan
"We are, in a very real sense, made of the cosmos. We are part of it."Carl Sagan
"We are all sand and stardust – what matters is how we arrange it."Richard Feynman
"The paradox is only a conflict between reality and your feeling of what reality ought to be."Isaac Newton
"As a man thinketh, so he is."Isaac Newton
"All that matters is that atoms and the void."Isaac Newton
"What we observe is not nature itself, but nature exposed to our method of questioning."Isaac Newton
"To understand the universe, you must first understand yourself."Isaac Newton
"The greatest journey is the journey within."Isaac Newton
"We must acknowledge, as it seems to me, that man with all his noble qualities bears in his bodily frame the indelible stamp of his lowly origin."Charles Darwin
"The highest possible stage in moral culture is when we recognize that we ought to control our thoughts."Charles Darwin