1. How the Laws of Physics Lie;Cartwright,1983
2. Drake translation (Berkeley: University of California Press, 1967), p. 203
3. Opere, 7, p. 229. The translations are in some cases slightly modified
4. The Assayer, in The Controversy on the Comets of 1618, S. Drake (translation) Philadelphia: University of Pennsylvania Press), p. 183
5. Opere 6, p. 232. Neither Plato nor Aristotle could have allowed this aphorism to pass, but for quite different reasons. Aristotle's reason (apart from a likely hesitation over the theological implications of the ‘Book’ metaphor) would not be that the language of mathematics is inappropriate to the ‘Book’, rather that it is not the only (nor the primary) language in which the Book is written