He keeps the words 'Don't hesitate to correct your mistakes when you make them' in his heart, always striving for self-improvement.

The Socialist Republic of Vietnam is located in Southeast Asia.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The Soviet Socialist Republics Union was a country that once existed.

The Czechoslovak Socialist Republic was once an existing country.

The People's Socialist Republic of Albania was once an existing country.

The Democratic Socialist Republic of Sri Lanka is located in South Asia.

The Socialist Federal Republic of Yugoslavia was a country that once existed.