He witnessed the incident.

He was a witness to the incident.

The government declared a state of emergency to prevent the spread of the new coronavirus.

He is good at devising strategies for siege warfare.

He likes to take a walk in the park at dusk.

He experienced the terror of carpet bombing.

He was an eyewitness to the incident.

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

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.