the fundamental attribution error is the tendency of human beings to attribute the negative or frustrating behaviors of their colleagues to their int… - Patrick Lencioni

When team members do not openly debate and disagree about important ideas, they often turn to back channel personal attacks, which are far nastier and more harmful than any heated argument over issues

No quality or characteristic is more important than trust.

Great team players lack excessive ego or concerns about status. They are quick to point out the contributions of others and slow to seek attention for their own. They share credit, emphasize team over self, and define success collectively rather than individually. It is no great surprise, then, that humility is the single greatest and most indispensable attribute of being a team player.