瑜伽論記 23.230

23.230

第三解因緣，內六處為因，為彼種子，所依附者，一解，雖內六處意取第六意根，有賴耶識持於種子；二解，此據隨轉理門乃至五色根中亦受稟習者，諸種子何以不言外六處持種但明內六處耶？故下釋云：又內六處，相續一類，如先所得乃至命終畢竟轉故，境界不爾，無前二義。

Third, explaining causes and conditions: 'the six internal āyatanas are the causes and serve as the seeds for them, being that upon which they depend': according to one explanation, although speaking of the six internal āyatanas, the intention takes the sixth, the mental faculty, since the ālayavijñāna holds the seeds; according to a second explanation, this is according to the conforming provisional doctrine, up to the five physical faculties also receiving conditioning; why is it not said that the six external āyatanas hold seeds, but only the six internal āyatanas are clarified? Therefore, the commentary explains below: 'Furthermore, the six internal āyatanas form a continuous, homogeneous series, proceeding definitively from what was obtained previously until the end of life; sense spheres are not like this, lacking the previous two characteristics.'