I read the Letter to the Ephesians and gained a deep understanding of Christian teachings.

He is studying the history of African Americans.

We are here to solve that problem.

It's difficult to memorize the Hyakunin Isshu.

I like memorizing the Hyakunin Isshu.

They have a variety of opinions, making it difficult to agree.

She said 'to each his own', respecting the differences among people.

In this world, there are as many ways as there are people, each walking their own path.

He is recognized as the top person in that field.

The human immunodeficiency virus is the virus that causes AIDS.