He started running swiftly.

He caught the ball with a quick movement.

If cardiac output decreases, blood flow throughout the body worsens.

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

He learned speed reading to increase his reading speed.

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.