He is a very strong person.

His strength comes from his mental power.

I think we should just leave him alone now.

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

Please leave him alone.

The diamond sheds beautiful light when it receives the sun's light.

He is a very patient person.

He is a person of great luck.

He was so nervous that his hands stiffened.

This material has ferromagnetism.