Business friendly is the middle ground between being too cold and uncaring and the other extreme of being too familiar
The truth will set you free: believability will give you credibility.
If you don't have personal goals, you're controlled by those who do.
If you criticize others' ideas, they will almost never use yours no matter how good they are.
No communication takes place until the other person feels heard
The smartest people in the world are not in charge, they work for the action takers.