The Cultural Revolution is a part of China's history.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

He said he couldn't agree with the views of the revisionists.

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'

It is important for us to respect cultural diversity and understand each other's differences.

UNESCO is an international organization that promotes the development of education, science, and culture around the world.