Revisionism aims to change our understanding of past events.

He is conducting research on historical kana usage.

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

We should always remember the power of Kannon in difficult times.

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.'

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.