After sitting and walking meditation, we read about the Zen Peacemakers organization and how they structure their practice around three basic tenets. The first one is "not knowing", and founder Bernie Glassman observes:

You are not entering a situation with the feeling that you know what to do, but entering it completely as a child, just being there to listen and to feel with every bone, with every cell, with every hair of your body.

You can read the article online.