Re: what does religion say about ki?
[quote=. I find the new age prana quote a little disturbing, in that it suggest I can "have infinite power, now." ...[/QUOTE]
Prana New Age? Prana is Ki is Chi and it has been written about and discussed for several thousand years.
And I don't know any Buddhist teacher or yoga teacher who advocates cultivating "power" of any kind except for concentration.
Prana is Breath.