³⁵⁰ P. Feyerabend: «Classical Empiricism» en R. E. Butts/J. W. Davis (eds.): The Methodological Heritage of Newton, Toronto, University of Toronto Press, 1970, pp. 150-170. Cit. por F. Amrine: «The Metamorphosis of the Scientist», en Goethe’s Way of Science, cit., p. 33.<<