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"For the truth of the conclusions of physical science, observation is the supreme Court of Appeal. It does not follow that every item which we confidently accept as physical knowledge has actually been certified by the Court our confidence is that it would be certified by the Court if it were submitted. But it does follow that every item of physical knowledge is of a form which might be submitted to the Court. It must be such that we can specify (although it may be impracticable to carry out) an observational procedure which would decide whether it is true or not. Clearly a statement cannot be tested by observation unless it is an assertion about the results of observation. Every item of physical knowledge must therefore be an assertion of what has been or would be the result of carrying out a specified observational procedure." »Sir Arthur Eddington
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"For the truth of the conclusions of physical science, observation is the supreme Court of Appeal. It does not follow that every item which we confidently accept as physical knowledge has actually been certified by the Court; our confidence is that it would be certified by the Court if it were submitted. But it does follow that every item of physical knowledge is of a form which might be submitted to the Court. It must be such that we can specify (although it may be impracticable to carry out) an observational procedure which would decide whether it is true or not. Clearly a statement cannot be tested by observation unless it is an assertion about the results of observation. Every item of physical knowledge must therefore be an assertion of what has been or would be the result of carrying out a specified observational procedure." »Sir Arthur Eddington, The Philosophy of Physical Science
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"Dolendi modus, timendi non item.
(To suffering there is a limit; to fearing, none.)" »Sir Francis Bacon, Of Seditions and Troubles
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"“Money is whatever symbol we decide upon to represent human energy for an item or service.”" »John Rocco Savalli
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"One of the universal rules of happiness is: always be wary of any helpful item that weighs less than its operating manual." »Terry Pratchett, Jingo
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