Diversity is the world of form in all its infinite variety of textures, colors, contrasts, and differences. Not only are we different from each other, but everything is different from one moment to the next -- everything is change. We are all part of one single unity, but we're also very different. We can't do peacemaking in the world -- in fact, we can't do anything effective in the world -- without taking our differences into account.
A powerful meditation when contemplating the oneness of everything is to find something's unique qualities. For example, observing an island's wholeness and then focusing upon the uniqueness of a single stone. . . . this meditation is simple but powerful. . . . Other examples to meditate upon (other than an individual stone on the island beach) are faces in a crowd or a leaf on a tree. Each person (in the crowd) is unique and yet (at that very moment) part of the whole. The same is true for leaves on the trees. Practicing this deceptively easy meditation helps each of us to see reality.