• It's O.K. to be ambitious.
• It's O.K. to look out for Number One. ...
• It's O.K. to be a winner.
• And it's always O.K. to be rich.
A word of caution: people will tell you that success can't buy you happiness. This is true enough, but success is the next best thing to happiness, and if you can't be happy as a success, it's very unlikely that you would find a deeper, truer happiness in failure.