Kriya Yoga - Important learning after years

"Offering inhaling breath into the outgoing breath, and offering the outgoing breath into the inhaling breath, the yogi neutralizes both these breaths; he thus releases the life force from the heart and brings it under his control.<sup>"

 From Wiki on Kriya Yoga  ...Was reading from Guru Jaggi gifted by Sridar .

Kriya Yoga is an instrument through which human evolution can be quickened...the secret of cosmic consciousness is intimately linked with breath mastery." Autobiography of a Yogi, 1946, by Paramahansa Yogananda, chapter 26.</sup>