“[In] a game where a number of individuals are involved, then the [player] taking one role must be…”

“[In] a game where a number of individuals are involved, then the [player] taking one role must be ready to take the role of everyone else… . He must know what everyone else is going to do in order to carry out his own play. He has to take all of these roles. They do not all have to be present in consciousness at the same time, but at some moments he has to have three or four individuals present in his own attitude, such as the one who is going to throw the ball, the one who is going to catch it, and so on. These responses must be, in some degree, present in his own make-up. In the game, then, there is a set of responses of such others so organized that the attitude of one calls out the appropriate attitudes of the other.”

G.H. Mead – Mind Self and Society, Section 19