As a result of many years of smoking, he developed emphysema.

Extremism threatens the stability of society.

This email contains device-dependent characters.

We should always remember the power of Kannon in difficult times.

Ununhexium is an element that is not yet fully understood.

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.