1. Only among people can you know yourself. --Germany.

2. Everyone knows where shoes squeeze the feet. ——Latin America.

3. If you want to understand yourself, it is best to ask others. --Japan.

4. It is never too late to correct a mistake if you know it. ——Shakespeare.

5. You know where your shoes are tight. --Spain.

6. Only when you have deeply suffered yourself can you understand the pain of others, so it is difficult to reflect on yourself. ——Xi Juan's "Lost".

7. The starting point of success is self-analysis, and the secret of success is self-reflection. ——Chen Anzhi.