George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes ...

An idea which can be used once is a trick. If it can be used more than once it becomes a method. (George Polya)

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George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.

George Polya Quotes: An idea which can be used once is a trick. If it can be used more than once it becomes a method.