"The Seva Yagna – altruist service of the society is a noble example of Yagna. The Gnana Yagna, similarly implies the service of people by enlightening their lives in the glow of knowledge and education. The Prana Yagna implies --- the service of saving the lives of people from suffering and agonies and inspiring liveliness and respect for life in them."
January 1, 1970
https://en.wikiquote.org/wiki/Prana