Psychology + Zen = Philosophy and methods to relieve suffering and reveal happiness.
Psychology: We project onto others what we reject in ourselves. Some call it a Shadow. Healing comes from making the unconscious conscious, taking responsibility for our projections, integrating what is split off as our own thing.
Zen: There is no separate self. When we can be at one with every aspect, then we belong everywhere and we reject no one.
We heal the world by becoming intimate with our whole selves.