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.

I find my new fountain pen easy to write with, and I really like it.

I check my step count every day with a pedometer.

Manako is my best friend.

This new app is suitable for everyone and their mother, and anyone can use it easily.

This new game is made for everyone.

I think what he says is utterly ridiculous.

He became a billionaire at a young age.