Talk about the characteristics of brush Li according to the content of the text.

Be bold and cautious. Highly skilled and confident.

The description of the writing brush Li in The Wonder of the Worldly World is that he has his own rules, and he must abide by them. He is personable and capable, and he dares to take jobs that others dare not, so his character is bold and cautious, skilled and confident.

Strangers on Earth is a short story by Feng Jicai. Based on the life in Tianjin in the late Qing Dynasty and the early Republic of China, the novel tells the characters' skills and the world in a special background.