Complex sentence: However, beginning in about the mid- 1860s, his sympathies tended increasingly toward the Broad Church: he defended Bishop Colenso, expressed doubt about the literal truth of the Old Testament, and questioned the doctrine of eternal punishment contained in the Athanasian Creed.
Split into simpler sentences: However, beginning in about the mid- 1860s, his sympathies tended increasingly toward the Broad Church. He defended Bishop Colenso, expressed doubt about the literal truth of the Old Testament, and questioned the doctrine of eternal punishment contained in the Athanasian Creed.