The difference between the man of God, preoccupied by Sin, and the man of Art, preoccupied by Beauty, can be measured by how comfortable they are with their penises.

First, the man of God/Sin:

Prayer and performance had been for naught when that ugliest of all heads decided to rise with a will of its own. If he could hack it off his body, he would. (p. 283)

Next, the man of Art/Beauty:

She removed his vest, his other boot, his leggings, and all of his garments until he was naked and his maleness...