Exchanging Quote by Claude Bernard

“Progress is proven through action, not theory.”

— Marion Bekoe

All genuine progress results from finding new facts

— Wheeler McMillen

Scientific progress is the discovery of a more and more comprehensive simplicity... The previous successes give us confidence in the future of science: we…

— Georges Lemaitre

Progress, then, is a property of the evolution of life as a whole by almost any conceivable intuitive standard.... let us not pretend to…

— E. O. Wilson

“science makes progress not by proving its theories right-because that's impossible-but by eliminating an increasing number of wrong theories. Pseudoscience, however, does not make…

— Massimo Pigliucci

In general, a fact is worth more than theories in the long run. The theory stimulates, but the fact builds. The former in due…

— Theobald Smith

“Any theory that makes progress is bound to be initially counterintuitive.”

— Daniel C. Dennett

I don't believe that the ultimate theory will come by steady work along existing lines. We need something new. We can't predict what that…

— Stephen Hawking

Even in the dark times between experimental breakthroughs, there always continues a steady evolution of theoretical ideas, leading almost imperceptibly to changes in previous…

— Steven Weinberg

Theories are like a stairway; by climbing, science widens its horizon more and more, because theories embody and necessarily include proportionately more facts as…

— Claude Bernard

The hypothesis may be put forward, to be tested by the s subsequent investigation, that this development has been in large part a matter…

— Talcott Parsons

Well-established theories collapse under the weight of new facts and observations which cannot be explained, and then accumulate to the point where the once…

— Al Gore