Books are where to look if you're looking for the truth

A book is good to the extent that it is true; therefore, if one tells the truth, it is called good. That’s why it pays to read them; if you want the truth, there's no better place to look than in a good book.

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A book's truthfulness is the measure of its quality; all of the really good ones are filled with the truth. Therefore, if you want the truth, it pays to read them.

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Its truthfulness is that which determines a book's quality. All of the really good ones are good only because they tell the truth. Therefore, if the truth is what you want, it pays to read really good books.