法界次第初門 2.42

2.42

Second, without the notion of form internally, one externally contemplates forms. 'Without the notion of form internally' means destroying internal forms and annihilating the characteristics of internal forms. 'Externally contemplating forms' means not destroying external forms and not annihilating the characteristics of external forms. One contemplates external forms with this mind of impurity because, for the sake of entering the internal purity of the second dhyāna, the practitioner destroys and annihilates the internal skeleton; and because the latent defilements of the desire realm are difficult to sever, one still contemplates the external marks of impurity.