Commuting by subway is the most convenient.

He is majoring in philosophy.

The procedures to obtain a new visa are complicated.

He is a famous philosopher.

My father works at an ironworks.

His way of thinking is very philosophical.

He is a famous philosopher, influencing many people.

Earthquakes, thunder, fires, and fathers are what people fear the most.

He is a very talented musician.

I set aside time for self-practice every day.