Monday, January 29, 2007

On principle, it is quite wrong to try founding a theory on observable magnitudes alone. It is the theory which decides what we can observe

--- Albert Einstein, from J. Bernstein, "The Secret of the Old Ones, II." New Yorker, March 17, 1973, cited on http://chem.tufts.edu/AnswersInScience/What-Is-Science.htm