http://www.healyourlife.com/blogs/louise-hay-blog/relax-and-breathe
The above is a wonderful exercise from Louise Hay's blog.
I use it every time I begin to feel stressed. I take three very deep, slow breaths, and silently say to myself All is well. All is well. All is well.
Brings me right back to a state of peacefulness.
Thank you Louise!