Looking at a mountain is a mountain. Looking at a mountain is not a mountain. Looking at a mountain is still a mountain. The corresponding three ancient poems! !

The realm of looking at mountains is "the empty mountains are full of fallen leaves, where can I find traces of fragrance"; the realm of looking at mountains is not mountains is "the empty mountains are deserted, but the water is flowing and flowers are blooming";

Looking at mountains Or is it that the realm of mountains is like "the sky will last forever, and the wind and moon will last for a day".

Or use Wang Guowei’s three realms of life to explain:

Those who have achieved great things and learned great things in ancient and modern times have not passed through the three realms:

'Last night the west wind withered the green trees. Climb a tall building alone and look out to the end of the world. ’ This is the first realm. "The belt is getting wider and wider, but I don't regret it anymore. I feel haggard because of Yi." ’ This is the second realm. "The crowd searched for him for thousands of times, but when I turned around, I suddenly saw that man in a dimly lit place. ’ This is the third realm.

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