• The philosophical I is not the human being, not the human body or the human soul with the psychological properties, but the metaphysical subject, the boundary (not a part) of the world.

    Ludwig Wittgenstein: The philosophical I is not the human being, not the human body or the human soul with the psychological properties, but the metaphysical subject, the boundary (not a part) of the world.
    Ludwig Wittgenstein (1961). “Notebooks, 1914-1916”