Whenever you encounter anything, you should be diligent in thinking and be good at using your head. Only persistent pursuit will succeed.

1, "Li Siguang who loves brains" is a model essay in the sixth grade Chinese textbook, which encourages readers to be diligent in thinking and be good at thinking whenever they encounter anything. Only by persistent pursuit can they succeed.

2. Thinking about Li Siguang tells the story that Li Siguang, a famous geologist in China, became suspicious of a boulder in his hometown when he was a child, and finally figured out the origin of this boulder through years of research.