He points out other people's problems without noticing his own, a perfect example of 'the darkest place is under the candlestick'.

He achieved a four concealed triples in mahjong.

The Paleolithic is the first era of human history.

The Bronze Age was an important period in human history.

The Neolithic was an important period in human history.

The Mesolithic is the era between the Paleolithic and the Neolithic.

The Azuchi-Momoyama period, also known as the Oda-Nobunaga period, was a very important time in Japanese history.

The Azuchi-Momoyama period was a very important time in Japanese history.

He said he couldn't agree with the views of the revisionists.

The German Democratic Republic was once a socialist country.