When the sad water flows into the steady mountain, the poor child's sadness also evokes the sadness of the mountain, so their hearts are broken together; the water buries his head in the ground, but the mountain collects the pieces of his heart piece by piece. So there are confusing and complicated caves, stalagmites in various shapes, and springs gushing at the entrance of the cave.
Purpose: Anyone who plays games with life will accomplish nothing; anyone who cannot master himself will always be a slave.