Here's what I wrote to my friend:
In my view, world peace begins in every remark we make to other people. Is that remark designed to uplift that person, to soothe that person, to help that person feel strong enough to carry on? That is the goal of communication. This is both the little view and the large view. We are not powerful figures on the world scene. We cannot talk to warring parties. We can only talk to each other. Our words can foster peace where ever we go. If everybody did this, we would have world peace. We can lead by example, even though we are not leaders. This is not naive. This is all we have and all we are.