Kleinhenz, Robert J. When asked what it was like to set about proving something, the mathematician likened proving a theorem to seeing the peak of a mountain and trying to climb to the top. One establishes a base camp and begins scaling the mountain's sheer face, encountering obstacles at every turn, often retracing one's steps and struggling every foot of the journey. Morris A proof tells us where to concentrate our doubts. Rome Press Inc., 1988. Rome Press Inc., 1988.
Logic is the art of going wrong with confidence.
Rome Press Inc., 1988. Why the Professor Can't Teach. St. Martin's Press, 1977. In the index to the six hundred odd pages of Arnold Toynbee's A Study of History, abridged version, the names of Copernicus, Galileo, Descartes and Newton do not occur yet their cosmic quest destroyed the medieval vision of an immutable social order in a walled-in universe and transformed the European landscape, society, culture, habits and general outlook, as thoroughly as if a new species had arisen on this planet. McGraw Hill Inc., 1992.