<a href="http://www.ted.com/talks/derek_sivers_keep_your_goals_to_yourself.html" rel="nofollow">http://www.ted.com/talks/derek_sivers_keep_your_goals_to_you...</a>
Derek Sivers shares a different opinion, can't really argue against it for you if it works for you, but it's good for other people to be mindful of all their choices.