The head is bigger than we think, and the universe is smaller

When the English philosopher, founder of the agnosticism David Hume was asked whether the world around us exists, he replied: “I don't know.” What we take for the world exists for us only in our imagination.

Recently, a friend of mine also asked about the existence of the surrounding world. Let's try to speculate on this topic. I do not pretend to be a strict proof of existence or absence, how many would like to understand, your comments are only in my head?

Suppose the world around us does not exist. I / We are the head imagining all the events happening to us. There is nothing darkness. But the head must exist? The existence of myself, I do not deny. Is it possible the existence of me, without the existence of the head? Strictly speaking, no. I exist, hence the "abstract head" exists. It may not exist the way we imagine it to ourselves (I apologize, my head imagines it). In some form, it may not material, very different. And if the head has no “external” sense organs, then I will never know.

There is a certain head-universe in which I am / we. Are we this head, or is the head more than I? Why can I / we equate the head with the “I”?
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I am a certain set of experience, an abstract consciousness that feels its existence. I do not feel the existence of illusions as a whole with him. We cannot equate ourselves to the whole head. Then the illusions of the “head” are a manifestation external to me, and are not part of me. Consequently, there is an external world for me that imagines the “head” in which I am.

The head is bigger than me.