Science Quotes

"A theory that has never been challenged is a theory that has never been truly tested."

"Great science requires the marriage of bold speculation and ruthless criticism."

"In science, yesterday's heresy is often today's orthodoxy."

"Science without criticism is mere storytelling."

"A scientist who stops questioning has stopped being a scientist."

"Science advances through productive disagreement."

"Error is not the enemy of science; it is the engine of science."

"The greatest theories are those that invite the most rigorous criticism."

"The foundation of science is not certainty but controlled skepticism."

"Discovery commences with the awareness of anomaly."

"Normal science does not aim at novelties of fact or theory and, when successful, finds none."

"In science, as in the world at large, today's marginal idea may be tomorrow's mainstream belief."

"Scientific revolutions are here taken to be those non-cumulative developments that replace one older conception of nature with an incompatible new one."

"The scientist who does not display the virtues of flexibility and tolerance is likely to do harm to his science."

"The puzzles upon which normal science concentrates are just not about nature directly; they are about nature-as-seen-through-the-reading-provided-by-a-paradigm."

"The successive transition from one paradigm to another via revolution is the usual developmental pattern of mature science."

"The facts themselves are not given to scientists until they have chosen a paradigm."

"A mature science is one in which a field is guided by shared exemplars and shared standards."

"The very rules of science become crucial during periods of paradigm shift."

"To understand science, we must understand not just its content but its process of discovery."

"The revolution in science comes when the old paradigm can no longer contain the anomalies that have accumulated."

"Crisis in science is not a pathology but the normal state that leads to discovery."

"Normal science is not about finding the truth but about solving puzzles within the accepted framework."

"To be a scientist is to accept the paradigm you were trained in and rarely to question it radically."

"Scientific communities are not repositories of pure truth but of shared agreements about how to see the world."

"Observation is theory-laden; what we see depends on what we look for."

"The history of science is the history of failed expectations."

"The telescope did not create the moons of Jupiter; it revealed what theory had already predicted."

"Scientific method is not a guarantee of truth, but a discipline of doubt."

"Every experiment is a conversation with nature, conducted in the language of theory."