James Prescott Joule Quotes

In theory, there is no difference between theory and practice. But, in practice, there is.

Theory is splendid but until put into practice, it is valueless.

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

Well, it may be all right in practice, but it will never work in theory

Theory looks well on paper, but does not amount to anything without practice.

Theory, from whatever source, is not perfect until it is reduced to practice.

Knowing is not enough, You must apply

The ultimate, most holy form of theory is action.

An ounce of practice is worth a ton of theory!

You can't run a business or anything else on a theory.

To understand the theory which underlies all things is not sufficient. Theory is but the preparation for practice.

For one person who is blessed with the power of invention, many will always be found who have the capacity of applying principles.

On Pragmatism: It's all very well in theory but it doesn't work in practice

No battle can be won in the study, and theory without practice is dead.

Do more than believe: practice.

If we have a correct theory but merely prate about it, pigeonhole it and do not put it into practice, then that theory, however good, is of no significance.

An ounce of application is worth a ton of abstraction.

If you find that you're spending almost all your time on theory, start turning some attention to practical things; it will improve your theories. If you find that you're spending almost all your time on practice, start turning some attention to theoretical things; it will improve your practice.

Nothing bears out in practice what it promises incipiently.

However much you are read in theory, if thou hast no practice thou art ignorant

One ounce of practice is worth a thousand pounds of theory.

All the maxims have been written. It only remains to put them into practice.

Theory can leave questions unanswered, but practice has to come up with something.

It is always more easy to discover and proclaim general principles than it is to apply them.

The best practice is inspired by theory.