In the video by Dr. Randy Pausch,"The Last Lecture: Achieving Your Childhood Dreams," he mentioned the concept of "finding your passion and striving to achieve it, through hardwork and effort." He mentioned a former student that eventually achieved the student's dream of working with George Lucas and the film company creating the Star Wars movies.
The author gives the example of the former student that eventually achieved his dream of working with George Lucas and the film company creating the Star Wars moving to give his video more credibility.
