The original text is like this:
Unintentional mistakes should be forgiven.
In calligraphy class, Xiaoming was grinding ink and accidentally spilled it on Xiaogang's clothes. Xiao Ming is in a hurry. Xiaoming quickly apologized to Xiaogang. Xiaogang is very angry. He glared and said angrily, "Will you just say you're sorry?" ? You pay for my clothes! "Say that finish, lift a pen full of ink and sprinkle it on Xiao Ming. Xiao Ming said, "No, I won't buy it for you. "In this way, the two of them argued with each other. Xiaohong saw it and tried to persuade them, but it was useless. Then the teacher came over and asked kindly, "What's the matter?" Xiao Ming told the teacher the whole story in detail. The teacher said, "Students help each other, and unintentional mistakes should be forgiven. "Xiao Gang lowered his head and told the teacher that I was wrong. Then he turned to Xiao Ming and said, "I'll take my clothes home and wash them myself." Xiao Ming said, "I got your clothes dirty. I should wash them." "In the end, they became good friends.
Answer: when two people meet, don't quarrel over such a trivial matter. Students should help each other, and unintentional mistakes should be forgiven.