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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.
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.
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.
[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.
It is the theory that decides what can be observed
It is the theory that decides what can be observed
Relativity applies to physics, not ethics
Relativity applies to physics, not ethics
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.