This thread is pretty eye opening. I was unaware at how some viewed MT. As a witness though, I didn't like her only because she wasn't JW. Anyway, I decided to do a little research. Here's an interesting article in Time magazine about her.
Read Mother Teresa's Crisis of Faith
Might she have been agnostic? Possibly.
I am inspired to read more. I never knew.
CoC
Edit - I fixed the link. It works now.