“Have you ever wished you could stop thinking – either temporarily or permanently? By that, I mean the relentless flow of words and images and memories and fears and worries. Just stopping them cold in their tracks. I know this will probably come off as an ironic or perhaps absurd thing to try and talk about. Is there even a way to do so?”

http://www.timboucher.com/journal/2006/01/09/overcoming-thought-addiction/