Any person who is not lethargic can practice yoga, be he young, old very old, sick or weak. One who is intent on practice will obtain yoga, not one who is idle. Yoga is not obtained by the reading Scriptures, nor by wearing the dress of a yogini, nor by talking about it. Practice alone is the course of success.

These classic lines were written in the “Hatha Yoga Pradipika” by Svatmarama and express that yoga is a path of action ....