Searching for Boundaries

One winter afternoon, while I was sleeping in my office, I received a call from a friend who had been missing for many years, inviting me to explore the mountain I had agreed to visit when I was a child. Finally, we climbed up the mountain called "Border". There was a huge rock protruding from the cliff on the top of the mountain. We sat on the edge, stretched out our arms to the world, blew the strong wind, and stared at the other side of the border. We talked a lot and were silent for a long time, thinking about the most profound content that the two children could think about. The distant wind brought a sobering dry cold. It was almost evening, and the blue sky was dimmed. The half moon and the cold sun looked particularly unnatural in the sky...