As I contemplate the matter, it is clearly stated in the “Teacher of the Dharma” chapter of the Lotus Sūtra that those who uphold this sūtra during the Latter Age of Degeneration would suffer from hatred and jealousy even more severe than those who upheld the sūtra during the lifetime of the Buddha.

The reason is that during the lifetime of the Buddha the preacher was the Lord Buddha, and His disciples were such superior beings as great bodhisattvas and arhats. The Buddha’s disciples also included humans, gods, the four categories of Buddhists (monks, nuns, laymen, and laywomen), the eight kinds of gods and demi-gods who protect Buddhism, and non-humans. However, the Buddha preached the Lotus Sūtra for them only after spending forty years or so cultivating and nurturing their ability to understand and have faith in it. Even so, He encountered much hatred and jealousy. How much more hatred and jealousy should there be in this Latter Age of Degeneration, when the True Dharma is lost and the people quarrel and fight constantly!

Nyosetsu Shugyō-shō, True Way of Practicing the Teaching of the Buddha, Writings of Nichiren Shōnin, Faith and Practice, Volume 4, Page 81-82