idiom > The fog, a clear sky
The fog, a clear sky

  Explanation: Only when the clouds of mist to see Zhanzhan blue sky. Analogy to break through the darkness to see light.
  Source: Ming Luo, "Three Kingdoms" sixty-fifth back: "This year the main event tomorrow, as the fog and see the sky!"
  Examples: Jiumuyujie name, without the side see, today, to see, such as ~. ★ Ming Feng Meng, "Jingshitongyan" XXIV