3 Arthur Stanley Eddington Quotes on Observation

Arthur Stanley Eddington quotes on observation

7. It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory.

   Attribution disputed; shown as originally published.

17. Never mind what two tons refers to. What is it? How has it entered in so definite a way into our exprerience? Two tons is the reading of the pointer when the elephant was placed on a weighing machine. Let us pass on. ... And so we see that the poetry fades out of the problem, and by the time the serious application of exact science begins we are left only with pointer readings.

24. 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.