The whole of Catholic theology can be justified, says Gilbert, if you are allowed to start with those two ideas that the Church is popularly supposed to oppose: Reason and Liberty. "To become a Catholic is not to leave off thinking, but to learn how to think. It is so in exactly the same sense in which to recover from palsy is not to leave off moving but to learn how to move." The convert has learnt long before his conversion that the Church will not force him to abandon his will. "But he is not unreasonably dismayed at the extent to which he may have to use his will." This was the crux for Gilbert. "There is in the last second of time or hairbreadth of space, before the iron leaps to the magnet, an abyss full of all the unfathomable forces of the universe. The space between doing and not doing such a thing is so tiny and so vast."

Father Maturin said after his conversion that for at least ten years before it the question had never been out of his mind for ten waking minutes. It was about ten years since Gilbert had first talked to Father O'Connor of his intention to join the Church, but in his case thought on the subject could not have been so continuous. Still he had time for patronising, discovery, and running away, all in leisurely fashion. External efforts to help him had been worse than useless: as he indicates in The Catholic Church and Conversion, they had always put him back.

"Gilbert could not be hustled," says Maurice Baring of his whole habit of mind and body.

"You could fluster Gilbert but not hustle him," says Father O'Connor.

They were both too wise to try.

In two letters Gilbert said that the two people who helped him most at this time were Maurice Baring and Father Ronald Knox, who had both gone through the same experience themselves.

Besides the positive mental processes of recognition, repulsion and attraction exercised by the Church, Gilbert was affected to some extent both by affection for the Church of England and disappointment with it. The profound joy of his early conversion to Christianity was linked with Anglicanism and so too were many friendships and the continued attachment to it of Frances. But what he said to Maurice Baring about a Porch is representative. Like Father Maturin he felt he owed so much to his Anglican friends: he hated to stress overmuch the revulsion from Anglicanism in the process of conversion. But it did at this date contribute to the converging arguments.

He wrote to Maurice Baring:

So many thanks for the sermons, which I will certainly return as you suggest. I had the other day a trying experience, and I think a hard case of casuistry; I am not sure that I was right; but also not by any means sure I was wrong. Long ago, before my present crisis, I had promised somebody to take part in what I took to be a small debate on labour. Too late, by my own carelessness, I found to my horror it had swelled into a huge Anglo-Catholic Congress at the Albert Hall. I tried to get out of it, but I was held to my promise. Then I reflected that I could only write (as I was already writing) to my Anglo-Catholic friends on the basis that I was one of them now in doubt about continuing such; and that their conference in some sense served the same purpose as their letters. What affected me most, however, was that by my own fault I had put them into a hole. Otherwise, I would not just now speak from or for their platform, just as I could not (as yet at any rate) speak from or for yours. So I spoke very briefly, saying something of what I think about social ethics. Whether or not my decision was right, my experience was curious and suggestive, though tragic; for I felt it like a farewell. There was no doubt about the enthusiasm of those thousands of Anglo-Catholics. But there was also no doubt, unless I am much mistaken, that many of them besides myself would be Roman Catholics rather than accept things they are quite likely to be asked to accept—for instance, by the Lambeth Conference. For though my own distress, as in most cases I suppose, has much deeper grounds than clerical decisions, yet if I cannot stay where I am, it will be a sort of useful symbol that the English Church has done something decisively Protestant or Pagan. I mean that to those to whom I cannot give my spiritual biography, I can say that the insecurity I felt in Anglicanism was typified in the Lambeth Conference. I am at least sure that much turns on that Conference, if not for me, for large numbers of those people at the Albert Hall. A young Anglo-Catholic curate has just told me that the crowd there cheered all references to the Pope, and laughed at every mention of the Archbishop of Canterbury. It's a queer state of things. I am concerned most, however, about somebody I value more than the Archbishop of Canterbury; Frances, to whom I owe much of my own faith, and to whom therefore (as far as I can see my way) I also owe every decent chance for the controversial defence of her faith. If her side can convince me, they have a right to do so; if not, I shall go hot and strong to convince her. I put it clumsily, but there is a point in my mind. Logically, therefore, I must await answers from Waggett and Gore as well as Knox and McNabb; and talk the whole thing over with her, and then act as I believe.

This is a dusty political sort of letter, with nothing in it but what I think and nothing of what I feel. For that side of it, I can only express myself by asking for your prayers.