 He points out that the laws of nature operate all the time, but that understanding is only possible if we have access to regimes that are particularly transparent to our enquiry (p36) and suggests that God is always there, but there have been particular moments in history that have been unusually open to the divine presence, and that Scripture is "evidence", the record of foundational spiritual experience (p37).He expounds the doctrine of the Trinity and commends John Zizioulas's "Being as Communion".In 3.