A drop of ocean water is a delicacy that includes the five elements of flavor. Moreover, whereas a drop of river water is like an ordinary pill, a drop of ocean water is a panacea. In this regard “Namu Amida-butsu” is a drop of river water while “Namu Myōhō Renge Kyō” is a drop of ocean water. The Amitābha Sūtra is a drop of minor river water while a character of the Lotus Sūtra is a drop of ocean water.
Ueno-dono Gohenji, Reply to Lord Ueno