瑜伽論記 21.404

21.404

審悉所作者，釋委義。恒常所作故者，解常義，此即別解常委，彼分者：謂正見等者，是三十七道分。此是彼資糧者，明八種語是彼道分資糧。

Regarding "carefully executed", this explains the meaning of "attentive". Regarding "because it is constantly executed", this explains the meaning of "constant"; this separately explains "constant" and "attentive". Regarding "its factors: namely, right view and so forth", these are the thirty-seven factors of the path (bodhipakṣa-dharma). Regarding "this is their provision", it clarifies that the eight kinds of speech are provisions for those factors of the path.