Against Quote by Richard Holbrooke

Do not put too much confidence in experimental results until they have been confirmed by theory.

— Arthur Eddington

There can be theory but, you know, the problem is you've got to be able to test it. So theories are one thing, testing…

— Brian Schmidt

One must treat theory-in-use as both a psychological certainty and an intellectual hypothesis.

— Chris Argyris

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

— Samir Okasha

Do not say hypothesis, and even less theory: say way of thinking.

— Georg C. Lichtenberg

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

— Ralph Waldo Emerson

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

Theory is needed to tell you where to look.

— Marcus du Sautoy

The only way to know something absolutely is to experience it for yourself; anything less is theory, speculation, and belief. .

— Rajneesh

Don't indulge your theories, think of your children and listen to the experts.

— Stephen Harper

Theories then are dangerous things.

— Virginia Woolf

I cannot give any scientist of any age better advice than this: the intensity of a conviction that a hypothesis is true has no…

— Peter Medawar