Quote by Terry Eagleton

“That’s a hallmark of good theory: it dispenses its advice in “if-then” statements.”

— Clayton M. Christensen

A theory's assumptions always are and ought to be unrealistic. Further, we should attempt to make them more unrealistic in order to increase a…

— Satoshi Kanazawa

“Clues put us on the right path toward a correct theory. Strong evidence is that which subsequently allows us to trust whether the theory…

— Carlo Rovelli

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

— Daniel C. Dennett

“A theory is like medicine or government: often useless, sometimes necessary, always self-serving and, on occasion, lethal. It needs to be used with care,…

— Nassim Nicholas Taleb

“If we cannot express our assumptions explicitly in ways that others can understand and build upon, there can be no larger process of testing…

— Peter Senge

“The way of science is paved with discarded theories which were once declared self-evident;”

— Karl R. Popper

“Theory in any branch of science entails a risk of detachment from reality”

— Quammen, David

It is universally appreciated, I think, that theorists are able to tweak their assumptions in order to reach any conclusion they wish. The believability…

— David M. Kreps

A theory must be tempered with reality.

— Jawaharlal Nehru

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

— Jean-Martin Charcot

“If a concept or principle finds its place in an explanatory theory, it cannot be excluded on methodological grounds.”

— Noam Chomsky