"Treasure Tower" chapter exists within the body

There are trails in the sky where birds fly, but people cannot recognize them. There are paths in the sea along which fish swim, but people cannot perceive them. All people and things of the four continents are reflected in the moon without a single exception, but people cannot see them. But they are visible to the heavenly eye. In like manner, ordinary people cannot see that the "Treasure Tower" chapter exists within the body of Lady Nichinyo, but Shakyamuni, Many Treasures, and the Buddhas of the ten directions perceive it. I, Nichiren, also presume this to be the case. 25/6

The Writings of Nichiren Daishonin
An Outline of the "Entrustment" and Other Chapters
Written to Nichinyo on June 25, 1278