面墙而立
      Explanation: Analogy of people do not learn, such as standing facing the wall, seen nothing.
      Source: "Book Week officials" not to learn the wall. "Kong Anguo transmission without learning, and its walls are still standing."
      Examples: Success or failure of past and present, may not know, Tuizhao of leisure, reading books view, ~, not adults. ("The king was Lixuan Sheng Wu Chuan Jin Shu cool")