'Saw VI' has a really interesting theme about the ripple effect. Everything you do affects the guy next to you, which affects the guy next to him, which affects her over here. And you might think that what you're doing is not that significant, but just the way you respond to other people makes the world the way it is.
Jim Rohn is one of the most articulate, powerful, thought-provoking speakers I've seen. His unique delivery and style puts him head and shoulders above the rest.