|"Unless one understands this simple fact, that the soul is different from this body, the soul is eternal, the body is temporary, changing... Because without understanding this, there is no spiritual education. A false education. If one identifies with this body, there is no understanding of spiritual knowledge. So the yogīs, they are trying to come to this point by meditation, "Whether I am this body or not." Meditation means that. First meditation, concentration of the mind, the different kinds of sitting posture, that helps me to concentrate my mind. And if I concentrate my mind, meditation, that "Am I this body?"