Looking at it overall, I think this project is a success.

This is my personal opinion.

He always has a positive attitude.

He always has a friendly attitude.

He solved the problem with creative thinking.

His attitude was negative, and he rejected all of our proposals.

He is good at solving technical problems.

This is a basic sentence in Japanese.

He always has an optimistic attitude.

His music is very avant-garde, and some people might not understand it.