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A theory is no more like a fact than a photograph is like a person.
A theory is no more like a fact than a photograph is like a person.
It is the theory that decides what can be observed
It is the theory that decides what can be observed
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.
There can be no theory of any account unless it corroborate with the theory of the earth.
There can be no theory of any account unless it corroborate with the theory of the earth.
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.
Relativity applies to physics, not ethics
Relativity applies to physics, not ethics
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.
If the facts don't fit the theory, change the facts.
If the facts don't fit the theory, change the facts.
