At the beginning of your life's journey, hungry for knowledge, you try to accommodate the best to explore this world. As you saturate yourself with all kinds of knowledge, you don't notice how the world around you transforms, and in a moment you begin to feel heavy. You are left to accept the new reality, as you are no longer able to resist the pressure and it makes you more lonely, like an old man who has gone to the mountains away from the hustle and bustle.