The biggest mistake that you can make is to believe that you are working for somebody else. Job security is gone. The driving force of a career must come from the individual. Remember: Jobs are owned by the company, you own your career!
Source: In The Ultimate Success Quotations Library, 1997.
-- Earl Nightingale, ( 1921-1989), US voicist; He became a legendary icon to kids across the nation, as the voice radio hero, Sky King.