The children nodded. The metallic voice went on. "Let us return to _Macbeth_ for our concluding quotation. The weather, fortune, many things are implied in Macbeth's opening speech. He says, '_So foul and fair a day I have not seen._' The paradox is both human and appropriate. One day you will understand this even more. Repeat the quotation after me, please, and try to understand it." The childish voices lifted. "_So foul and fair a day I have not seen._" The roboteacher stood up. "And there's the closing bell. Do not hurry away, for you are to remain here tonight. There will be a school party, a sleep-together party. We will all sleep here in the school building." "You mean we can't go home?" The face of the littlest girl screwed up. "I want to go home." "You may go home tomorrow. There will be a holiday tomorrow. A party tonight and a holiday tomorrow for every school on earth." The tears were halted for a moment. The voice was querulous. "But I want to go home now." Johnny Malone, the Mayor's son, put one hand on the littlest girl. "Don't cry, Mary. The robots don't care if you cry or not. You can't hurt them or cry them out of anything. We'll all go home in the morning." The robots began to bring cots and to place them in the schoolroom, row on row. The children were led out into the play quadrangle to play. One of the robots taught them a new game, and after that took them to supper served in the school's cafeteria. No other robot was left in the building, but it did not matter, because the doors were locked so that the children could not go home. The other robots had begun to walk out into the town, and as they walked the robots walked from other schools, in other towns. All over the country, all over the towns, the robots walked to tell the people that the children would not be home from school, and do what had to be done. In the schools, the roboteachers told stories until the children fell asleep. * * * * * Morning came. The robots were up with the sun. The children were up with the robots. There was breakfast and more stories, and now the children clustered about the robots, holding onto their arms, where they could cling, tagging and frisking along behind the robots as they went down into the town. The sun was warm, and it was early, early, and very bright from the morning sun in the streets. They went into the Mayor's house. Johnny called, "Mom! Dad! I'm home." The house was silent. The robot that tended the house came gliding in answer. "Would you like breakfast, Master Malone?" "I've had breakfast. I want my folks. Hey! Mom, Dad!" He went into the bedroom. It was clean and empty and scrubbed. "Where's my mother and father?" The metal voice of the robot beside Johnny said, "I am going to live with you. You will learn as much at home as you do at school." "Where's my mother?" "I'm your mother." "Where's my father?" "I'm your father."