His words were profound.

The late autumn wind is rustling the leaves of the trees.

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

His actions are said to be deeply sinful.

Asami is my best friend.

I live in Shenzhen.

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

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

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

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'