There is but one ultimate form of Matter; one ultimate form of Energy; one ultimate form of Mind. Matter proceeds from Energy, and Energy from Mind, and all are an emanation of the Absolute, threefold in appearance but One in substance. There is but One Life, and that permeates the Universe, manifesting in various forms, but being, at the last, but One. My body is one with Universal Matter; My energy and vital force is one with the Universal Energy; My Mind is one with the Universal Mind; My Life is one with the Universal Life. The Absolute has expressed and manifested itself in Spirit, which is the real "I" overshadowing and embracing all the apparently separate "I"s. "I" feel my identity with Spirit and realize the Oneness of All Reality. I feel my unity with all Spirit, and my Union (through Spirit) with the Absolute. I realize that "I" am an Expression and Manifestation of the Absolute, and that its very essence is within me. I am filled with Divine Love. I am filled with Divine Power. I am filled with Divine Wisdom. I am conscious of identity in spirit, in substance; and in nature; with the One Reality. THE FOURTH LESSON. MENTAL CONTROL. In our first three lessons of this series, we have endeavored to bring into realization within your mind (1) the consciousness of the "I"; its independence from the body; its immortality; its invincibility and invulnerability; (2) the superiority of the "I" over the mind, as well as over the body; the fact that the mind is not the "I," but is merely an instrument for the expression of the "I"; the fact that the "I" is master of the mind, as well as of the body; that the "I" is behind all thought; that the "I" can set aside for consideration the sensations, emotions, passions, desires, and the rest of the mental phenomena, and still realize that it, the "I," is apart from these mental manifestations, and remains unchanged, real and fully existent; that the "I" can set aside any and all of its mental tools and instruments, as "not I" things, and still consciously realize that after so setting them aside there remains something--itself--the "I" which cannot be set aside or taken from; that the "I" is the master of the mind, and not its slave; (3) that the "I" is a much greater thing than the little personal "I" we have been considering it to be; that the "I" is a part of that great One Reality which pervades all the Universe; that it is connected with all other forms of life by countless ties, mental and spiritual filaments and relations; that the "I" is a Centre of Consciousness in that great One Reality or Spirit, which is behind and back of all Life and Existence, the Centre of which Reality or Existence, is the Absolute or God; that the sense of Reality that is inherent in the "I," is really the reflection of the sense of Reality inherent in the Whole--the Great "I" of the Universe.