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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.
You cannot run a business, or anything else, on a theory.
You cannot run a business, or anything else, on a theory.
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.
How empty is theory in the presence of fact
How empty is theory in the presence of fact
Relativity applies to physics, not ethics
Relativity applies to physics, not ethics
The theory seems to be that as long as a man is a failure he is one of God's children, read more
The theory seems to be that as long as a man is a failure he is one of God's children, but that as soon as he succeeds he is taken over by the Devil.
Many things difficult to design prove easy to performance.
Many things difficult to design prove easy to performance.
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.
