Once upon a time, there was a nine-colored deer with colorful markings in the snow-white coat on its body, and a pair of beautiful antlers on its head, very beautiful!
One day, the nine-colored deer took a leisurely walk by the river. Suddenly, I heard a shout in the distance: "Help, help!" "It turned out that someone had fallen into the river.

Selected from Beijing Century Hengtong Parent-Child Story Series
The beautiful and kind nine-colored deer ran over quickly, jumped into the river desperately, and with great effort, finally rescued the person who fell into the water.
The name of the person who fell into the water was Niu Er, and after he was saved, he kept kowtowing to the nine-colored deer and saying, "Thank you for saving your life." I swore to heaven that I would always be your slave..."
The nine-colored deer interrupted him and said, "I have received your wishes, as long as you don't reveal my residence to anyone, even if you are grateful." ”
Niu Er swore an oath: "Benefactor, please rest assured, if I betray my faith, I will be covered with sores and pus in my mouth!" After saying that, Niu Er left thankfully.
One day, the princess dreamed of a beautiful nine-colored deer and told the king that she wanted to make clothes out of its fur. The king had no choice but to post the imperial list and offer a reward for catching the nine-colored deer.
Niu Er looked at the imperial list and was very happy, feeling that the opportunity to make a fortune had come. So he unveiled the list and went into the palace to inform him, saying that he knew where the nine-colored deer lived.
The king was very happy, and immediately mobilized his army, letting Niu Er lead the way, and came to capture the nine-colored deer in a mighty way.
The nine-colored deer slept soundly on the grass. Suddenly, the friend crow shouted loudly, "Nine-colored deer, wake up, the king's army has come to capture you!" ”
The nine-colored deer woke up from the dream and got up to see that he was surrounded by troops. It looked more closely, and Niu Er stood next to the king and understood.
The nine-colored deer said to the king, "When this man was about to drown, I saved him, and he swore not to reveal my place of residence." Who knew that he had forgotten his oath when he saw profit and forgot his righteousness! ”
When the king understood the truth of the matter, he was very ashamed, so he sent an order to collect the troops back to the palace, and ordered the subjects of the whole country not to harm the nine-colored deer.
Niu Er was ungrateful, and later his body was full of rotten sores, pus and blood came out of his mouth, and the smell was inaudible, and people avoided him from a distance and ignored him.
Century Hengtong Online Summary: This story tells us that we must keep our promises and not forget righteousness.