Quotes About Theory

Theory is the essence of facts. Without theory scientific knowledge would be only worthy of the madhouse.

One of the principal objects of theoretical research in my department of knowledge is to find the point of view from which the subject appears in its greatest simplicity.

Theory without practice is of little value, whereas practice is the proof of theory.Theory is the knowledge, practice the ability.

No political party can possibly lead a great revolutionary movement to victory unless it possesses revolutionary theory and knowledge of history and has a profound grasp of the practical movement.

I think my knowledge of music theory is rooted in jazz theory, and a lot of the writers of standards - Rodgers and Hart, and Gershwin.

To test a perfect theory with imperfect instruments did not impress the Greek philosophers as a valid way to gain knowledge.

Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing.

The monopoly of science in the realm of knowledge explains why evolutionary biologists do not find it meaningful to address the question whether the Darwinian theory is true.

The strength of a theory is not what it allows, but what it prohibits; if you can invent an equally persuasive explanation for any outcome, you have zero knowledge.

A successful account enables us to understand human knowledge in general.

Epistemic competence might be posterior to knowledge conceptually, however, while still prior metaphysically.

Something unknown is doing we don't know what-that is what our theory amounts to.

But the scientific importance of a change in knowledge of fact consists precisely in j its having consequences for a system of theory.

Now, it is the view of the Ministry that a theoretical knowledge will be more than sufficient to get you through your examination, which, after all, is what school is all about.

Prison is the only place, where Darwin's Theory of Evolution may seem to work. Survival of the fittest does only work, where the fittest is defined as the most loving.

In theory there is no difference between theory and practice. In practice there is.

Democracy, thus French revolution, was not invented by philosophic theory nor by the bourgeois leadership. It was discovered by the masses in their method of action.

Experience by itself teaches nothing... Without theory, experience has no meaning. Without theory, one has no questions to ask. Hence, without theory, there is no learning.

All models are wrong; some models are useful.

The important question is whether [a theory] is true, not whether envisioning an alternative is too intellectually painful to bear.

Per il momento voglio crederti. Voglio crederti perché in realtà non ho scelta. Non ho una teoria migliore.

Secession belongs to a different class of remedies. It is to be justified upon the basis that the States are sovereign. There was a time when none denied it. I hope the time may come again when a better comprehension of the theory of our Government, and the inalienable rights of the people of the States, will prevent any one from denying that each State is a sovereign, and thus may reclaim the grants which it has made to any agent whomsoever.

Why continue to tolerate a kind of armchair skepticism that has everything to do with scientistic propaganda and nothing at all to do with honest, rigorously open-minded collection, classification, and theory building, that is, with real science and real humanistic inquiry?

The event horizon is the point at which the speed required to leave the vicinity of the black hole (the escape velocity) is the speed of light, and because Einstein's theory tells us that no material object can reach that speed, nothing can escape from within the event horizon.