成唯識論述記 1.117

1.117

頌中唯言顯其二義：一、簡別義，遮虛妄執，顯但有識，無心外境；二、決定義，離增減數，略唯決定，有此三故，廣決定有八種識故。一類菩薩說識唯一，諸小乘等，執心、意、識義一文異。又復彼執識唯有六，則是減數。《楞迦經》說：八、九種種識，如水中諸波。說有九識，即是增數。顯依他識略有三種，廣唯有八。離於增減，故說「唯」言。《楞迦經》中兼說識性，或以第八染、淨別開，故言九識，非是依他識體有九，亦非體類別有九識。

The word "only" (mātra) in the verse expresses two meanings: First, the meaning of distinction: excluding false clinging and revealing that there is only consciousness, with no objects outside the mind. Second, the meaning of determination: departing from numbers of addition and subtraction. In brief, there are definitely only these three; in detail, there are definitely eight kinds of consciousness. One group of bodhisattvas states that consciousness is only one; various Hīnayāna practitioners cling to citta, manas, and vijñāna as having one meaning under different terms. Furthermore, they cling to consciousness as being only six, which is a subtracted number. The Laṅkāvatāra-sūtra states: "The eight or nine manifold consciousnesses are like the waves on water." Stating that there are nine consciousnesses is an added number. It is revealed that dependent consciousnesses are in brief of three kinds, and in detail there are only eight. Free from addition and subtraction, he therefore says "only". In the Laṅkāvatāra-sūtra, the nature of consciousness is also mentioned, or the eighth is distinguished into defiled and pure, hence it speaks of nine consciousnesses; it is not that the substances of dependent consciousness are nine, nor that there are nine consciousnesses of distinct substances and classes.