Since there is already such space and openness and the total absence of fear, the play of the wisdoms is a natural process. The source of energy which need not be sought is there; it is that you are rich rather than being enriched by something else. Because there is basic warmth as well as basic space, the Buddha activity of compassion is alive and so all communication is creative. It is the source in the sense of being an inexhaustible treasury of Buddha activity. This is, then, the Sambhogakaya.