(Lectures by Master Sheng-yen on the Surangama Sutra, Chapter 3, given on November 2, 1986 and November 9, 1986.) In previous chapters of the sutra the Buddha has spoken about the five skandhas, or aggregates. He has shown that these skandhas have no real existence, yet they are not separate from reality. From the third chapter onward, the Buddha begins to talk about the six entries, the twelve positions, and the eighteen realms. These comprise the material and mental worlds. more