" Raja-Yoga (the path of contemplation), Hatha-Yoga (the path of physical transformation), Jnana-Yoga (the path of knowledge), Karma-Yoga (the path of ego-free action), Bhakti-Yoga (the path of the heart), Mantra-Yoga (the path of mantric repetition), and Tantra-Yoga (the path of ritual). "

― Georg Feuerstein , Yoga: A Beginner's Guide