He was called an unpatriotic person because of his actions.

He is always hanging out with bad friends. Truly, birds of a feather flock together.

He likes to take a walk in the park at dusk.

He is studying the history of National Socialism.

Japan's gross national product is the third highest in the world.

Japan's net national product is an important indicator of the health of the economy.

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

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.