Raja Yoga is a book by Swami Vivekananda about "Raja Yoga", his interpretation of Patanjali's Yoga sutras. The book was published in July 1896. It became an instant success and was highly influential in the western understanding of Yoga. [Wikipedia] Here are some words from this book..... 1. The first lesson is just to breathe in a measured way, in and out. That will harmonise the system. When you have practiced this for some time, you will do well to join to it the repetition of some word as "Om," or any other sacred word. In India we use certain symbolical words instead of counting one, two, three, four. That is why I advise you to join the mental repetition of the "Om," or some other sacred word to the Pranayama. Let the word flow in and out with the breath, rhythmically, harmoniously, and you will find the whole body is becoming rhythmical. 2. After practicing the above mentioned breathing for a few days, you should take up a higher one
Sanatana Dharma, Spirituality and Philosophy