People who feel excluded get angry and act out their anger in the team. No man is an island, no person can function isolated from the group. When you create a team, any kind of team, inclusion is fundamental. Without every member feeling deeply that he or she belongs to that group there is no team.
Dragos Bratasanu, Ph.D., Engineering Success: The True Meaning of Leadership and Team Building
management-and-leadership, success, team-building