This eternally unchanging truth does not change even as the times change.

His belief is eternally unchanging.

His amateur radio call sign is JH1ABC.

He ordered a full-course dinner.

I make bibimbap using gochujang.

He has a strong desire to be in the spotlight and always wants to be the center of attention.

Paleogeography is a study that researches the past geographical conditions of the Earth.

He is writing a thesis on paleogeography.

I am receiving individual lessons in mathematics.

Hampukuyokotobi is an ideal exercise for building strength and balance.