His grandfather was sent to a concentration camp during World War II.

My father is the president of the local chamber of commerce and industry.

He has claustrophobia and is afraid to ride in elevators.

He is looking for a new job at the public employment security office.

There must be a reason why he is acting suspiciously. It's like the saying, 'Where there's smoke, there's fire.'

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.