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<blockquote><a href="http://quotationsbook.com/quote/38729/">Some theories are good for nothing except to be argued about.</a></blockquote><br> <a href="http://quotationsbook.com/quotes/author/4401/">Lichtenberg, Georg C.</a> on <a href="http://quotationsbook.com/quotes/tag/theory/">theory</a><br> Quote from <a href="http://quotationsbook.com">Quotations Book</a>