2. Choose the right one, follow the good one, and change the bad one. I choose their advantages and learn from them, find my own shortcomings from them and correct them. )

3. Review the past and learn the new, and you can be a teacher. When reviewing old knowledge, people can have new experiences and discoveries, so that they can be teachers. )

More haste, less speed. Don't be eager for quick success and instant benefit, and don't be greedy for petty advantages.