Gerald O'Collins, SJ
After many years of relative neglect, the central doctrine of the Trinity has attracted much theological attention as the second Christian millennium draws to an end. The select bibliography (see pp. xxvii-xxviii) offers only a representative selection from much recent literature on the Blessed Trinity. For my survey I want to pick out and comment on twelve significant issues that have emerged or have been revived for current discussion. 1
(1) Even a summary reading of current publications will reveal a widespread desire to 'rehabilitate' belief in the Trinity as the deep truth at the very heart of Christian life. 2 The way trinitarian faith seemed to have been rationally reduced to little more than a logical puzzle for the experts encouraged the situation in which Immanuel Kant (1724-1804) could state in Conflict of the Faculties: 'The doctrine of the Trinity, taken literally, has no practical relevance at all, even if we think we understand it; and it is even more clearly irrelevant if we realize that it transcends all our concepts.