Just in case he fails the exam, what should we do?

He is knowledgeable in all fields of learning.

Jus gentium is a universal law that applies to all people.

He saved a hundred thousand yen.

Mariko is my best friend.

He is a master of versatility, capable of handling anything.

He is fulfilling his responsibility as a president who controls state affairs.

This company is aiming for diversification of products.

He holds the sovereignty of that country.

On the night of the festival, ten thousand lights brightly illuminated the town.