Introduction: Today, after tearing away the dust of the years, it is still clearly visible: the lush mountains, the blue sky, and the deep sea. A person stands on the top of the mountain, wanting to fly and compete with the birds; a person stands on the beach, wanting to run all the way... People should learn to be happy.
I raised my left ear and listened quietly;
Yeah, I really heard it!
Hey, what did you hear?
Haha, I heard the sound of happiness.