George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain ...

There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible. (George Polya)

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George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.

George Polya Quotes: There is nothing to learn about reasoning and invention if the motive and purpose of the most conspicuous step remain incomprehensible.