The Buddha in the past as an ordinary person practiced Hinayāna sūtras. Having received the Five Precepts, He strictly upheld the fourth precept: not to tell lies. He did not breach this precept at the cost of His fortune or His life. Next, practicing the Mahāyāna precepts, He observed the Ten Major Precepts, the fourth of which prohibits telling lies. As he firmly upheld this precept for immeasurable kalpa (aeons), He finally was able to become a Buddha with a long and wide tongue, one of the 32 characteristics of the Buddha. This long and wide tongue of the Buddha covers the Buddha’s face, reaching the hair of His head. Or, it is said, it reaches the Brahma Heaven. There are five seal like letters on the tongue, which is bronze in color. Two gems under the tongue pour out nectar. These characteristics all stem from the virtue of observing the precept of not lying. With this tongue the Buddha has said, “Even if the eyes of various Buddhas throughout the past, present, and future should fall on the great earth, no woman in this dharma world would be able to become a Buddha.” Therefore, it seems that all women in the world can never attain Buddhahood regardless of what happens in the world.
Accordingly, once born as a woman, it seems useless even if she is chosen as the Empress, Empress Dowager, or Grand Empress Dowager. It seems to be worthless also for a woman to practice meritorious acts or perform Buddhist services. It is inexplicable, however, that the attainment of Buddhahood by women is allowed in this “Medicine King Bodhisattva” chapter of the Lotus Sūtra. Is this sūtra deceitful, or is that sūtra not truthful? Is either guilty of lying? One Buddha is making two opposing statements, which is impossible to believe.
However, it is preached in the Sūtra of Infinite Meaning, “The truth has not been revealed in 40 years or so,” and in the Nirvana Sūtra, “The Buddha has never uttered a false word, but if people make a false statement, He will follow their mind.” When we contemplate these scriptural statements, it seems untrue that the Buddha has ever negated rebirth in the Pure Land or attaining Buddhahood by women. It is preached in the Lotus Sūtra, “As for the Buddha’s Dharma, the truth will necessarily be revealed after a long time;” and “the Sūtra of the Lotus Flower of the Wonderful Dharma … is nothing but true.” Contemplating these statements, I believe the Lotus Sūtra, that preaches certain rebirth in the Pure Land or attainment of Buddhahood by women, is absolutely true without violating the precept against lying.
Yakuō-bon Tokui-shō, The Essence of the “Medicine King Bodhisattva” Chapter, Writings of Nichiren Shōnin, Faith and Practice, Volume 4, Page 33-34