Looking at the mountain is looking at the mountain, not looking at the mountain, but three ancient poems corresponding to the mountain! !

Seeing the mountain is the realm of the mountain, and it is "but where to find incense when the leaves have piled up on the bare hillside"; Seeing the mountain is not a mountain realm, but "there is no one in the empty mountain and bloom in the water";

Looking at the mountains or the mountains is "eternal blue sky, once the wind and moon."

Or use Wang Guowei's three realms of life to solve it:

Great undertakings and university questioners at all times and all over the world have experienced three realms:

The west wind withered the green trees last night. Go up a tall building alone and see the end of the world. "This first realm also. My belt is getting wider, and I am haggard because of Iraq, and I don't regret it. This second realm is also. The crowd looked for him for thousands of Baidu, and when I turned around, I saw the man in the dim light.' This third realm is also. "