The reason he is thought of that way is because he always works seriously.

They (referring to women or girls) are my best friends.

I didn't think he would come.

His thoughts were as we expected.

I am surprised by this unexpected event.

This was truly an unexpected result.

When I hear that song, old memories come to mind.

He is the type of person who thinks it's a moonlit night if it's bright, so he only has a one-sided perspective.

He thought deeply and said, 'I think, therefore I am.'

Before starting his new business, he said, 'A journey of a thousand miles begins with a single step.'