I don't know a thing about him.

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

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

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

He is exactly in the state of 'A frog in a well does not know the vast ocean.'

He spoke of his big dreams, saying, 'How can a sparrow understand the ambitions of a swan?'