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If the facts don't fit the theory, change the facts.
If the facts don't fit the theory, change the facts.
Many things difficult to design prove easy to performance.
Many things difficult to design prove easy to performance.
[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.
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.
How empty is theory in the presence of fact
How empty is theory in the presence of fact
Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very read more
Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.
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.
