Theory Practice Quotes

Epistemology without contact with science becomes an empty scheme. Science without epistemology is-insofar as it is thinkable at all-primitive and muddled.

Science is the captain, and practice the soldiers.

I love to read theories without ever using them when working... The paradoxical fact in the aesthetic is that theories are also true in reverse.

I never have, above my signature, announced anything that I did not prove first. That is the reason why no statement of mine was ever contradicted, and I do not think it will be, because whenever I publish something I go through it first by experiment, then from experiment I calculate, and when I have the theory and practice meet I announce the results.

If, occasionally, historical evidence does not square with formulated laws, it should be remembered that a law is but a deduction from experience and experiment, and therefore laws must conform with historical facts, not facts with laws

Politics cannot be a science, because in politics theory and practice cannot be separated

It is not paradox to say that in our most theoretical moods we may be nearest to our most practical applications.

My theory is to enjoy life, but the practice is against it.

One important idea is that science is a means whereby learning is achieved, not by mere theoretical speculation on the one hand, nor by the undirected accumulation of practical facts on the other, but rather by a motivated iteration between theory and practice.

I don't have an extensive background in theory, but the amount of it that I've learned, I've applied, so I have a vocabulary of melodic and rhythmic relationships. And that's all theory is - it's symbols to help you identify those relationships.

The astonishment of life is the absence of any appearances of reconciliation between the theory and the practice of life.

Politics cannot be a science, because in politics theory and practice cannot be separated, and the sciences depend upon their separation.

Those who say theory and practice are two unrelated realms are fools in one and scoundrels in the other.

For the theory-practice iteration to work, the scientist must be, as it were, mentally ambidextrous; fascinated equally on the one hand by possible meanings, theories, and tentative models to be induced from data and the practical reality of the real world, and on the other with the factual implications deducible from tentative theories, models and hypotheses.

Critical reflection on practice is a requirement of the relationship between theory and practice. Otherwise theory becomes simply "blah, blah, blah, " and practice, pure activism.

The mathematicians are well acquainted with the difference between pure science, which has only to do with ideas, and the application of its laws to the use of life, in which they are constrained to submit to the imperfections of matter and the influence of accidents.