[T]hose who have a fever can cool off lying beside a great body of cold water, but they will only continue to suffer if they lie by the side of a small body of water. Likewise, those who suffer from the five rebellious sins and sins of slandering the True Dharma and those who have no faith in Buddhism cannot cool the fever of their grave sins by lying beside a small body of water, that is, such sūtras as the Āgama sūtras, the Flower Garland Sūtra, the Sūtra of Meditation on the Buddha of Infinite Life, and the Great Sun Buddha Sūtra. If they lie on the large snow-covered mountain of the Lotus Sūtra, they can definitely cool even the fever of five rebellious sins and sins of slandering the True Dharma, and those of having no faith in Buddhism.

Hōon-jō, Essay on Gratitude, Writings of Nichiren Shōnin, Doctrine 3, Pages 50-51