A SPARROW once built a nice little house for herself, and lined it well with wool, and protected it with sticks, so that it equally resisted the summer sun and the winter rains. A Crow, who lived close by, had also built a house, but it was not such a good one, being only made of a few sticks laid one above another on the top of a prickly pear hedge. The consequence was, that one day when there was an unusually heavy shower, the Crow's nest was washed away, while the Sparrow's was not at all…