Two pieces of advice come to mind:-
1. Work hard and you will succeed.BEEP-WRONG.
I worked hard and harder. Other people got the credit and I was always overlooked.
NOW? And for sometime, am trying to realize how to work smarter.
2.Office Politics is childish and a waste of precious time, energy and creativity.BEEP-WRONG
You can be good at what you do but if you dont take sides in the heirachial game, the game gets turned on you.
What am I doing now? I still hate office politics and think its a childish ego stroking game BUT I pay attention and am aware. I listen now.