Tendai Lotus School Teachings, p 121Q: What is the meaning of the four single views?
A: Attachment to [substantial] Being, attachment to nothingness, attachment to both Being and nothingness, and attachment to neither Being nor nothingness.
Q: Through what ways do these attachments arise?
A: There are many ways for attachments to arise, but they can be explained with reference to [a mistaken belief in a substantial] self.