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An ounce of action is worth a ton of theory.
An ounce of action is worth a ton of theory.
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never read more
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
I never once made a discovery ... I speak without exaggeration that I have constructed three thousand different theories in read more
I never once made a discovery ... I speak without exaggeration that I have constructed three thousand different theories in connection with the electric light ... Yet in only two cases did my experiments prove the truth of my theory.
In theory there is no difference between theory and practice. In practice there is.
In theory there is no difference between theory and practice. In practice there is.
A theory has only the alternative of being right or wrong. A model has a third possibility - it may read more
A theory has only the alternative of being right or wrong. A model has a third possibility - it may be right but irrelevant.
Whenever a theory appears to you as the only possible one, take this as a sign that you have neither read more
Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve
[Do not] put too much confidence in experimental results until they have been confirmed by theory.
[Do not] put too much confidence in experimental results until they have been confirmed by theory.
You cannot run a business, or anything else, on a theory.
You cannot run a business, or anything else, on a theory.
It is the theory that decides what can be observed
It is the theory that decides what can be observed