“Why are manhole covers round? It was an easy question, and easy to answer, but when he'd returned to Hood and had repeated Dr. Li's question to his roommates, they were silent. And then finally JB had begun, in the dreamy tones of a wandering storyteller, "Once, very long ago, mammoths roamed the earth, and their footprints left permanent circular indentations in the ground," and they had all laughed. He smiled, remembering it; he sometimes wished he had a mind like JB's, one that could create stories that would delight others, instead of the mind he did have, which was always searching for an explanation, an explanation that, while perhaps correct, was empty of romance, of fancy, of wit.”