Read the following excerpt from a short story:
"As the sun dipped below the horizon, casting shades of orange and purple across the sky, Sarah paused to take in the beauty of the moment. She felt an overwhelming sense of gratitude for the simple pleasures in life—the warmth of the evening breeze and the gentle chirping of crickets. All her worries seemed to fade away, if only for a moment."
What is the author’s primary purpose in this excerpt?