He is learning Ancient Greek language.

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.

Old Church Slavonic is the oldest recorded language of the Slavic group.

Old Church Slavonic is the first language written by the Slavs.

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.