The Book And The Brotherhood - pg. 488

He sang both high and low. He promised strength through repentance, and joy through renewal of life. He exhorted her to remake herself into an instrument fir for the service of others. He used the oldest argument in the book (sometimes called the Ontological Proof) which, in Father McAlister's version, said that if with a pure passion you love God, then God exists, because He has to. After all, what your best self, your most truthful soul desires must be real, and not to worry too much about what it's called.

The Book And The Brotherhood - pg. 167

She was finding herself, now that she was with Crimond, simply more and more in love. She was living upon love. When she was alone, she would for long times shudder and tremble with it. She had never experienced presence so vividly before, the total connection with another being, the interpenetration of bodies and souls, the intuitive absolute of mutual self-giving, the love of two gods. The obliteration of self, the dazzling blindness of the love-act which was both part and all of their lives, constitued a mystery or ritual with which she lived in a continuous present of anticipation and rememberance.