Facts Quote by Talcott Parsons

In the end, a theory is accepted not because it is confirmed by conventional empirical tests, but because researchers persuade one another that the…

— Fischer Black

Whenever a true theory appears, it will be its own evidence. Its test is, that it will explain all phenomena.

— Ralph Waldo Emerson

It is the theory that decides what can be observed.

— Albert Einstein

It is the theory which decides what we can observe

— Albert Einstein

It is the theory that decides what we can observe.

— Albert Einstein

Observations always involve theory.

— Edwin Powell Hubble

Theory is needed to tell you where to look.

— Marcus du Sautoy

“It is the theory which decides what can be observed”

— Albert Einstein

Observation always involves theory.

— Edwin Powell Hubble

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

— Karl Popper

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

Our empirical criterion for a series of theories is that it should produce new facts. The idea of growth and the concept of empirical…

— Imre Lakatos