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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.
A young boy is a theory, an old man is a fact.
A young boy is a theory, an old man is a 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.
[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.
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.
If the facts don't fit the theory, change the facts.
If the facts don't fit the theory, change the facts.
It is the theory that decides what can be observed
It is the theory that decides what can be observed