What is the main idea of Nanton Zhang's contribution to this story?

Rumors are easily distorted. Credibility will be fooled; The most effective way to eliminate superstition is to reveal the truth.

Sang Lizhong Sheng

original text

Nanton Zhang helped to grow food in the field, and when he saw Mei Ziren, he wanted to have a hug. Although he saw that there was soil in the empty mulberry, he irrigated it with extra pulp because of sowing. Later generations saw Mulberry resurrected and told him. Those who were sick and had sore eyes rested in the shade of trees and said, "Thanks to a dolphin, Li Jun healed my eyes." Eye pain is a minor illness and also self-healing. The listener said, "The blind can see." Dogs bark from far to near, and they ride thousands of times, and the wine and meat are pouring. A year later, Zhang Zhu came out and returned, surprised: "What is the god here? It's my ear. " Because of it.

translate

There is a man named Zhang Zhu in Southampton. When he was planting crops in the field, he found a plum pit. He wants to take it away. Looking back, he found that there was soil in the hollow mulberry hole, so he planted plum pits there and watered some with the remaining water. Later, some people were surprised to see plum trees growing from mulberry trees, and they told each other stories.

There happened to be a man with a small eye problem, resting under the plum tree and praying to the plum tree, saying, "Li tree, if you can make my eyes better, I will give you the pig." Eye pain, a minor illness, will soon be cured. It is said that the plum tree is famous because it can be seen by the blind. People near and far were moved by the news. There are often thousands of carriages under the tree, and everyone comes to worship, and there are a lot of wine and meat.

After a year, Zhang Zhu came back from a long journey and was very surprised to see this scene. He said, "Where is this fairy?" This is the plum tree I planted. "So I cut it down.