After years of hard work, he was finally able to achieve great success.

He achieved a splendid victory in the Go tournament.

You can receive a completion bonus when the project is completed.

His business ended in failure.

His business ended in failure.

I achieved a big success.

He graduated from the University of Tokyo.

Under the big tree, he was reading a book.

His dream is greatly expanding.

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.