from a movie where a group is trying to meet a goal and the leader is trying to

 from a movie where a group is trying to meet a goal and the leader is trying to

 from a movie where a group is trying to meet a goal and the leader is trying to share his vision on accomplishing the goal. What advice would you give the leader to help him accomplish sharing his vision effectively? Do you have any other examples of someone, even yourself, inspiring a shared vision?