20 Spiritual Instructions

These twenty instructions contain the very essence of all Yoga Sadhana. Karma, Bhakti, Jnana, and Raja Yoga will all come to one who follows them whole-heartedly. They are the unfailing keys to quick and effective development and culture of the physical, mental, moral and spiritual self of man.

via Sivananda Yoga Vedanta Centres | Swami Sivananda.