I agree Seishin, I've found her quite inspiring myself. There isn't much on her in English. Having said that, most of the Japanese sources I've come across say very little. There is a youtube video of her from Japanese t.v. I'll try to find it and translate it for you when I get the chance.
"There are no seperate dharma's in the Three Realms. There is only the operation of the one mind."
"Whoever wishes to benefit beings ought to establish teachings that fit their capacities, expound the dharma in accordance with their capacities, and match the doctrines to them"