This is actually not one wallpaper, but several. Ideally you can put them into a program to cycle your background, or use them with a slideshow screensaver so your currently can emit these inspirational messages when you're not currently working. For extra realism, if you have a ReplayTV or other DVR that allows you to upload a set of images to be displayed on your television when you're not watching it, these can readily be uploaded into such a device.
It's not like you're not already being bombarded with these same messages daily.