Columbia will open a lot of doors but it is your job to keep them open. GPA, class rank mean nothing in the real world. A successful life is more about being in the right place at the right time.
Be social, respect others' opinions and seek to improve not only yourself but others around you. Live by the "golden rule" and opportunities will flood your life. Once they do do not be afraid to take risks and choose to do what you WANT to do and what makes you happy. Enjoy going to work not coming home from work.
The only downside is that life will pass so quickly before you know it you are a grandparent so never forget to smell the roses along the way.
Mark Honig, '81CC