How can you be a better worker, improve your image, and reduce stress at work? These all have the same answer; work each day like it's your last day on the job. This applies to all levels of employees - even owners.
I realize this concept might sound a bit odd at first. However, keep reading. The organization you work for will really appreciate this if something unexpected happens to you. Even if something unexpected does not happen to you, you will be a much better, more productive employee.