Share this quote by email

Post to facebook

Post to other social sites

<blockquote><a href="http://quotationsbook.com/quote/15203/">Concentration is the ability to think about absolutely nothing when it is absolutely necessary.</a></blockquote><br> <a href="http://quotationsbook.com/quotes/author/4091/">Knight, Ray</a> on <a href="http://quotationsbook.com/quotes/tag/focus/">focus</a><br> Quote from <a href="http://quotationsbook.com">Quotations Book</a>