He naturally demonstrated leadership.

He told me the whole story of the incident.

It is important to understand the importance of health.

He is world-famous as an entomologist.

He is an expert in entomology, especially knowledgeable about butterflies.

This is the kind of book I like.

He is not that kind of person.

He is not that sort of person.

We exist as a part of the material world.

He is deeply interested in the spiritual world.