He looks just like an angel,' said the Charity Children as they came out of the cathedral in their bright scarlet cloaks and their clean white pinafores. How do you know? Said the Mathematical Master, you have never seen one.' Ah! But we have, in our dreams,' answered the children; and the Mathematical Master frowned and looked very severe, for he did not approve of children dreaming. One night there ﬂew over the city a little Swallow. His friends had gone away to Egypt six weeks before, but he had stayed behind, for he was in love with the most beautiful Reed. He had met her early in the spring as he was ﬂying down the river after a big yellow moth, and had been so attracted by her slender waist that he had stopped to talk to her.