His words were profound.

He was so profound that it was difficult for us to understand his thoughts.

He is thought to be a greedy person.

His actions are said to be deeply sinful.

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

He is a person of strong vanity who reads self-improvement books.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

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

He is doing special exercises to strengthen his flexor digitorum profundus.

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.