At that time there were monks who stepped into the dwellings with wet feet. The dwellings became dirty. “You shouldn’t step into a dwelling with wet feet. If you do, you commit an offense of wrong conduct.” At that time there were monks who stepped into the dwellings with their sandals on. The dwellings became dirty. “You shouldn’t step into a dwelling with your sandals on. If you do, you commit an offense of wrong conduct.” At that time there were monks who spat on treated floors. The coloring was spoiled.