o, it’s not an illusion. You see, to you, in that moment, the coolness or warmth of the well water is an undeniable fact. That’s what it means to live in your subjective world. There is no escape from your own subjectivity. At present, the world seems complicated and mysterious to you, but if you change, the world will appear more simple. The issue is not about how the world is, but about how you are.