There is a big dying tree on a barren hill. Facing the setting sun, the shadow of the big tree scattered on the mountain becomes a big circle. Many people live in this circle to feel the slightest bit of coolness. People outside the circle envy the circle's coolness in the scorching heat.
Zhao Mo was a member of the circle, but he kept raising his head and looking up at the hills outside the circle.
People in the circle called him a fool.
People outside the circle called him crazy.
He told him to change the channel himself.
Concept: Am I a lunatic, a fool, or am I changing my channel?