What Supreme Master Ching Hai devoted for this Earth
just exposed the truths(2.5M-pdf) and helps liberate people free of charge,
no matter what religion a person used to be
(no need to change the believing) or even none before!
An example reveals a comparison for Your reference:
A famous TV show- Ghost Whisperer, which with a major topic
guide the missed dead entering lights satisfactorily.
Main mission of Supreme Master Ching Hai: Similar to above with a difference-
She teaches and encourages living beings to reach their own
ultimate goal via inner light + more important: inner sound.