The meaning of this sentence was that a person's vision was the realm of his life. This meant that a person could see the world around them, understand the people around them, and feel the life around them. These were all manifestations of his life realm. In the journey of life, people will go through different stages, and these stages will determine where their eyes will go. Some people can only see the beauty around them, some people can see more difficulties and challenges, while some people can see a broader world and a deeper philosophy of life. Therefore, this sentence reminds us to pay attention to what we see, understand where we are, and strive to improve our life realm.