Every Sunday, this street becomes a pedestrian-only street.

He is a famous philosopher, influencing many people.

He is a famous osteologist, studying many fossils.

He thinks he's just barely normal, but in reality, he's not.

He always keeps in mind the saying, 'those who do not work should not eat.'

He strongly believes in the principles of democratic socialism.

He deeply believes in the principles of national socialism.

He is deeply interested in the theory of ethnic socialism.

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.

He was promoted to the chief operating officer of the company.