The Book of Songs: Those who know me say that I am worried; those who don’t know me say that I am asking for nothing. Who is this in the sky? Li Bai: Cutting off the water with a knife, the water will flow again, raising a cup to eliminate sorrow and sorrow. Walking on the road Difficult, the journey is difficult, the road is divergent, but now I am safe. Meng Haoran: Sitting and watching the fishermen, there is only a feeling of envy for the fish. Han Yu: Where is my home in the Qinling Mountains where the clouds are crossing, the snow embraces the blue gate and the horse can't move forward. Du Fu: Difficulty and bitterness...< /p>