I've struggled to come up with a good image of how we all effect each other in this world and this compass image is the best I can come up with. We each are walking in whatever direction we have chosen, but as we meet one another on our walk, we bump each other to different degrees. My actions and words have the ability to bump a person (if they choose) one degree closer toward North. Even if it's just a smile to a stranger in a grocery store. In the same way, I could read something online that could take me a degree or two away from North.
The point is; every action, every word I speak, every thought and gesture has its effect on this world and the people around me. It's not like if we all think peace at the same time, the world will be at peace. It's much more complicated than that. But, if we all are doing our best to walk North, we all will help each other along the way. Eventually, we (the whole world) could be on a path toward God and how amazing would that be?