Science Quote by René Guénon

“No scientific theory can claim absolutely certainty.”

— David Christian

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

— Karl Popper

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

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

The truth of a theory can never be proven, for one never knows if future experience will contradict its conclusions.

— Albert Einstein

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

— Henri Poincare

Prediction can never be absolutely valid and therefore science can never prove some generalization or even test a single descriptive statement and in that…

— Gregory Bateson

If you can't think of an observation that could disprove a theory, that theory simply isn't scientific.

— Jerry A. Coyne

There never comes a point where a theory can be said to be true. The most that one can claim for any theory is…

— A.J. Ayer

It is sometimes said that we should never believe a scientific theory until it is verified by experiment. But a famous astronomer has also…

— Joao Magueijo

“Simpler theories may be more convenient to work with, but they are not intrinsically more probable than complex ones.”

— Samir Okasha

“If the fact will not fit the theory - let the theory go”

— Agatha Christie