Beautiful Quote by Dean Ornish

[we see that] science is eminently perfectible, and that each theory has constantly to give way to a fresh one.

— Jules Verne

A good scientific theory is one which is falsifiable, which has not been falsified.

— Richard Dawkins

A theory is only as good as its assumptions. If the premises are false, the theory has no real scientific value. The only scientific…

— Maurice Allais

Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories…

— Marvin Harris

A theory is scientific only if it can be disproved. But the moment you try to cover absolutely everything the chances are that you…

— Hermann Bondi

No particular theory may ever be regarded as absolutely certain.... No scientific theory is sacrosanct...

— Karl Popper

“The formal scientific definition of theory is quite different from the everyday meaning of the word. It refers to a comprehensive explanation of some…

— National Academy of Sciences

“Real science is recognizing an outcome, not always about reinforcing your theory.”

— Jeffrey Fry

To construct a scientific theory from the data and to be able to recognize that it is a reasonable theory is possible only if…

— Noam Chomsky

We have reached a situation where a theory has been accepted as fact by some, and possible contrary evidence is shunted aside. [This is]…

— Robert Shapiro

Theory is good; but it doesn't prevent things from existing.

— Jean-Martin Charcot

One does not ask whether a scientific theory is true, but only whether it is convenient.

— Henri Poincare