"Barth was possibly the less efficacious of the two remedies. A bracingly stringent Calvinist, he did supply Updike with one of the enduring tenets of his personal creed (the idea that God is "Wholly Other": "We cannot reach Him, only He can reach us"), and he did become, in the sixties, Updike's favorite theologian ("Ipswich belonged to Barth")--but as Barth himself insisted, theology cannot protect faith from doubt. For Updike, it was one buttress in a system of reinforcements necessary to sustain belief."