On the Five Characters (Myo Ho Ren Ge Kyo) and the three thousand realms

“For those who do not understand ‘one thought is three thousand realms', the Buddha gives rise to Great Compassion, wrapping this jewel within the Five Characters (Myo Ho Ren Ge Kyo), and has [him]* hang it around the necks of the young children of the Latter Age.” (Kanjin honzon sho, STN, v. 1, 720).

*Nichiren