Please explain this sentence and its origin in detail. "Life is made by ourselves, everything in the world is transformed, and everything remains unchanged."

"Heart-to-heart" comes from an allusion: According to legend, Pei Du was down and out in the Tang Dynasty. One day, I ran into thich nhat hanh on the road. After seeing Pedro's face, the master found that the longitudinal stripes of Pedro's mouth extended all the way to the entrance, fearing that he would starve to death. Therefore, he urged Pei Du to make efforts to cultivate goodness. Pei Du followed the teachings and met thich nhat hanh again in the future. The master saw that Pei Du's eyes were clear and his face changed completely, so he told him that he would definitely become prime minister in the future. According to the master's original intention, the reason why Pei Du's face changed so much before and after was because he constantly cultivated good and evil, cultivated his mind and changed his mind. Allusions Pei Du young, fortune-teller said he was in prison. After a while, the fortune teller saw him again, but he was surprised to find that his disaster had been solved, so he asked Pei Du how to solve it. Pei Du said that he didn't do anything but return a jade belt he accidentally picked up. Mr. Wang said that it was this charity that saved Pei Du's life, and he would be rich and expensive in the future. The legendary story of "Pei Du is still wearing a belt" in the Tang Dynasty shows that everything has changed for the better and life is constantly changing.

Zen: 1, everything has a cause and effect. 2. Life is made by oneself, and it is born by heart. Everything in the world is changing, and the heart does not move. Everything remains unchanged, the heart remains unchanged, and everything remains unchanged. 3. Life has eight sufferings: birth, old age, illness, death, love of parting, long-standing resentment, inability to ask and inability to let go. 4, everything is too late, then fate is doomed to end early. 5, people have no good and evil, and good and evil are in their hearts. 6. Moment is eternity. 7. The longing for the sea is infinite. 8. Everything is illusory.