Meditation and Mantras by Swami Vishnu-devananda: A Guide to Inner Peace
He opened his eyes, frustrated. The book lay open, a black-and-white diagram of the Kundalini energy rising through the chakras staring back at him. He read a line he had missed before: "Do not become discouraged by the wandering of the mind. It is the nature of the mind to wander; it is the nature of the practice to bring it back. This very act of bringing it back is the yoga."
Stage 7 – Samadhi (Absorption)
Practical Preparation: The book outlines the "groundwork" for successful meditation, which includes proper breathing (Pranayama), physical exercise (Asanas), relaxation, and positive thinking.