I don't know a thing about him.

He emphasized his belief by saying, 'I believe in order to understand.'

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.

I found a seahorse in the sea.

I found a rare seahorse in the sea.

The crowned seahorse is one of the most beautiful creatures in the sea.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

He is the type of person who understands ten from hearing one.

Since he started his new job, he's been lively as if he were a fish back in water.

He absorbs new information like a sponge soaking up water.