What is the difference between method and device? A method is a device which you use twice.
George PolyaSuccess in solving the problem depends on choosing the right aspect, on attacking the fortress from its accessible side.
George PolyaWhat is the difference between method and device? A method is a device which you use twice.
George PolyaSuccess in solving the problem depends on choosing the right aspect, on attacking the fortress from its accessible side.
George Polya