The Yoga Yajnavalkya (or Yogayajnavalkya) text is structured as a conversation between a man (Yajnavalkya) and a woman (Gargi), in the presence of an audience [REF].
The text opens with a discussion of virtues and lifestyle of a yogi, with 70 verses in the first chapter dedicated primarily to Yamas and 19 in second dedicated to Niyamas [REF].