He discovers that God is the very source of our existence. As Lewis will put it: He is the opaque centre of all existences, the thing that simply and entirely is, the fountain of facthood.
Tolkien had sent him a poem called Kortirion Among the Trees. Kortirion represented Warwick in the early stages of Tolkien’s mythology, and was the chief town, complete with tower, in a region of elms...
It is… easy to see why Authority frowns on Friendship. Every real Friendship is a sort of secession, even a rebellion… Hence if our masters… ever succeed in producing a world where all are Companions...