You have to read this article. Really, really good.
"Learning how to think really means learning how to exercise some control over how and what you think. It means being conscious and aware enough to choose what you pay attention to, and to choose how you construct meaning from experience.It comes down to working with the core property of human experience -- attention, which can be broken down into four key aspects:
Here is the full article: http://www.dailygood.org/view.php?sid=80