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In scientific work, those who refuse to go beyond fact rarely get as far as fact.
In scientific work, those who refuse to go beyond fact rarely get as far as fact.
Science is organized common sense where many a beautiful theory was killed by an ugly fact.
Science is organized common sense where many a beautiful theory was killed by an ugly fact.
Many things difficult to design prove easy to performance.
Many things difficult to design prove easy to performance.
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.
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.
It is the theory that decides what can be observed
It is the theory that decides what can be observed
How empty is theory in the presence of fact
How empty is theory in the presence of fact
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.
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.