Those who spread the five characters of Myō, Hō, Ren, Ge, and Kyō in the Latter Age of Degeneration should not make a distinction between males and females, for it would be difficult to chant the daimoku unless they were all bodhisattvas of the earth.
Shohō Jisso-shō, Treatise on All Phenomena as Ultimate Reality, Writings of Nichiren Shōnin, Faith and Practice, Volume 4, Page 78