Pólya 1957 p. 172 Pólya advises teachers that asking students to immerse themselves in routine operations only, instead of enhancing their imaginative / judicious side is inexcusable. Pólya, George (1957). How to Solve It. Garden City, NY: Doubleday. p. 253.
Pólya 1957 p. 114 Pólya notes that 'human superiority consists in going around an obstacle that cannot be overcome directly' Pólya, George (1957). How to Solve It. Garden City, NY: Doubleday. p. 253.
Pólya 1957 p. 105, pp. 29–32, for example, Pólya discusses the problem of water flowing into a cone as an example of what is required to visualize the problem, using a figure. Pólya, George (1957). How to Solve It. Garden City, NY: Doubleday. p. 253.
Pólya 1957 p. 172 (Pólya advises that this requires that the student have the patience to wait until the bright idea appears (subconsciously).) Pólya, George (1957). How to Solve It. Garden City, NY: Doubleday. p. 253.
Pólya 1957 pp. 148–149. In the dictionary entry 'Pedantry & mastery' Pólya cautions pedants to 'always use your own brains first' Pólya, George (1957). How to Solve It. Garden City, NY: Doubleday. p. 253.
