Nichiren captured the essence of the momentum of his life as the propagator of Shakyamuni’s ultimate method for self-enlightenment in the ultimate mandala. This Mandala, he created and offers to all of us, to enable our universal ability to instantiate, to realize our innate, Gohonzon mind of Buddhaness, the engine of life in each moment-to-moment.
Nichiren on Mandala and Gohonzon
http://threefoldlotus.com/home/ebooks.htm