There are two powers in the world; one is the sword and the other is the pen. There is a great competition and rivalry between the two. There is a third power stronger than both, that of the women. - Muhammad Ali Jinnah
Competition and rivalry between the members of a group are the antithesis of the cooperation and team play needed in an effective management group. This is why team building is an empty abstraction for a group whose leader controls with power. - Thomas Gordon
Such seems to be the disposition of man, that whatever makes a distinction produces rivalry. - Samuel Johnson