Humanity would finally tire of uninterrupted progress, material conditions would improve, sickness would be eradicated, poverty reduced, people would live longer, and there would be more food. Lin could not believe that when that time arrived, "man will care to be as busy as he is today." When can we rest?
世界不斷進步，人類總有一天感到厭倦，當物質環境漸漸改善了，疾病滅絕了，窮困減少了，人壽延長了，食物加多了，「到那時候，人類絕對不會像現在一樣匆忙」，他強調。