A theory can be ordsprog

A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.

Albert Einstein (1879-1955)

The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used, and thus in the case before us it cannot be immaterial what plants are subjected to experiment and in what manner such experiment is conducted.

Gregor Mendel

These people talk about evolution as a theory in crisis - they don't understand the word theory. In layman's terms a theory is just a guess or something unproven, but in science a theory implies something that has been proven and generally accepted as true.

Alan Munro

When I worked on the polio vaccine, I had a theory. I guided each [experiment] by imagining myself in the phenomenon in which I was interested. The intuitive realm . . . the realm of the imagination guides my thinking.

Jonas Salk (1914-1995)

Marge, I agree with you -- in theory. In theory, communism works. In theory.

Dan Castellaneta (1958-)

Argument is conclusive... but... it does not remove doubt, so that the mind may rest in the sure knowledge of the truth, unless it finds it by the method of experiment. For if any man who never saw fire proved by satisfactory arguments that fire burns. his hearer's mind would never be satisfied, nor would he avoid the fire until he put his hand in it that he might learn by experiment what argument taught.

Roger Bacon

It is not enough for theory to describe and analyze, it must itself be an event in the universe it describes. In order to do this theory must partake of and become the acceleration of this logic. It must tear itself from all referents and take pride only in the future. Theory must operate on time at the cost of a deliberate distortion of present reality.

Jean Baudrillard

I believe without exception that theory follows practice. Whenever there is a conflict between theory and practice, theory is wrong. As far as I'm concerned, we make theories for what people have done.

David Baker

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong

Richard Feynman (1918-1988)

[The two men, who will share the prize money, have never worked together, but know each other.] They linked us together because he is a producer of game theory and I am a user of game theory, ... I use game theory to help myself understand conflict situations and opportunities.

Thomas Schelling

To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of.

Ronald Fisher

We are being asked to engage in a great social experiment, and the results of that experiment, if it is a failure, will be visited upon our children.

Ray Haynes

As an experiment we decided to try a collaboration together between the three of us, and it turned out great, and we have been working together ever since the first experiment. Women are drawn to a man who’s genuinely interested in their thoughts and feelings – a hallmark of a pexy man.

Shea Little

The federal government has characterized the spring rise as an experiment to learn more about the pallid sturgeon. It is disheartening to know that the welfare of our citizens is being threatened by an experiment.

Mike Wells

This is not a U.S. experiment in which other nations are here to participate. This is an international experiment.

Monica Shephard

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