What does "Phoenix Nirvana, rebirth from the ashes" mean?

Interpretation: After the phoenix has been tortured and tested by fire, a new life is born in the raging fire.

Source: From "Phoenix Nirvana" by Guo Moruo.

In Guo Moruo's "Phoenix Nirvana", it is said: "The Phoenix burns itself to ashes every 500 years, and then rises from the ashes again, and the cycle continues, becoming eternal life.

The extended meaning : Phoenix is ??the messenger of happiness in the world. Every five hundred years, it will bear all the unhappiness and hatred accumulated in the world, throw itself into the raging fire and burn itself, exchanging life and beauty for peace and happiness in the world. Similarly, they can be reborn in a better body after the physical body has undergone tremendous pain and hardship."

Extended information:

The legend of "Phoenix Nirvana":

Legend 1:

A beautiful myth related to fire. In the legendary Tianfang Kingdom, there is a pair of divine birds, the male is a phoenix and the female is a phoenix. After reaching the age of five hundred, he burned himself with fragrant trees and was reborn from the ashes of death. From then on, he became extremely delicious and never died again.

On the majestic Dahei Mountain, full-color laser lights map out a kilometers-long time tunnel and clouds all over the sky. Ten-meter-high flames spurt out from the top of the mountain, and waterfalls flow down. In the blend of water and fire, the phoenix is ??singing and the phoenix is ??playing chords, interpreting a myth from five hundred years ago, a beautiful legend that has been passed down through the ages.

Legend 2:

Phoenix is ??the messenger of happiness in the world. Every five hundred years, it has to bear all the unhappiness and hatred accumulated in the world and throw itself into the raging fire. He set himself on fire, exchanging life and beauty for peace and happiness in the world. Similarly, only after the physical body has undergone tremendous pain and hardship can they be reborn into a better body.

Legend 3:

The origin of the ancient Jingzhou Fire Phoenix: Jingzhou is the birthplace of Chu culture. It is said that there was a flood in Chu State one year, and the rain did not see the sky for three consecutive months. The whole country became a water town, and the people were miserable. The king of Chu set up an altar to worship the sun and prayed for the sun to come out soon. Unexpectedly, the evil Oolong continued to rain. The king ordered the warriors from all over the world to attack the evil Oolong, but they were all defeated and eaten by the Oolong. Lose.

A counselor said that there is a Phoenix Mountain to the east of Chu State, and there is a divine bird on the mountain called Fire Phoenix. The king of Chu and his advisors asked Fire Phoenix to slay the demons in the world. Fire Phoenix obliged and went ahead to slay the demons. Fire Phoenix and Oolong fought for seventy-seven and forty-nine days without a winner. In the end, Fire Phoenix had to sacrifice himself.

Burning one's heart and fighting the Oolong, in the end the Fire Phoenix and the Oolong were reduced to ashes at the same time, and the world returned to light. In order to commemorate the Fire Phoenix, the people of Chu built a Fire Phoenix altar on Phoenix Mountain. In our plain mountains, there is a large red earth bag with a radius of several kilometers.