He has fundamental knowledge of mathematics.

His recovery was truly miraculous.

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.

He works at a non-governmental organization.

His glasses are for correcting astigmatism.

Amorphous substances have characteristics different from crystals.

He feels that he is a person not fulfilled in real life.

Denazification was an important process carried out in Germany after World War II.

Germany built a new society through the process of denazification.

He solved the problem in a scientific way.