One of the reasons the world moves is that individuals arise from time to time who provide impetus to significant events. "Good" leaders—like good guys—can push it to constructive ends. "Bad" leaders—like bad guys—can push the events in the world of perdition. And at times good leaders through stupidity have been known to push the world toward hell, and bad leaders through cupidity have unintentionally given it a push upward. Perhaps the history of events is parallel to the history of their leaders. These events may occur at various levels or stages.
We must not construe the term "leader" in a literal sense. The same "impetus giver" principle can apply to the classroom where the student-leader soon emerges, to the dogpack, to the societal complex of caged rats, to the political leader, to the therapist and his group. It may occur in any societal setting, even at a dinner party,