(These lessons are composed of notes of class talks given by Swami Vivekananda to an intimate audience in the house of Mrs. Sara C. Bull, a devoted American disciple, and were preserved by her and finally printed in 1913 for private circulation — Ed.)
Kundalini: Realise the soul not as matter, but as it is. We are thinking of the soul as body, but we must separate it from sense and thought. Then alone can we know we are immortal. Change implies the duality of cause and effect, and all that changes must be mortal. This proves that the body cannot be immortal, nor can the mind, because both are constantly changing. Only the unchangeable can be immortal, because there is nothing to act upon it.
We do not become it, we are it; but we have to clear away the veil of ignorance that hides the truth from us. The body is objectified thought. The "sun" and "moon" currents bring energy to all parts of the body. The surplus energy is stored at certain points (plexuses) along the spinal column commonly known as nerve centres.
These currents are not to be found in dead bodies and can only be traced in a healthy organism.
The Yogi has an advantage; for he is able not only ........