Sarvadarshanasangraha 12.21

12.21

And therefore, teaching having the teacher as its agent cannot be accomplished without study having the student as its agent; thus the performance of study will be accomplished solely through the impulsion of the injunction to teach. For the activity of the promoter cannot be accomplished without the activity of the prompted. If it is objected, "Then the status of an injunction for the text 'one must study' is not established," [we reply:] let it not be established, what is the loss to us? For if an independent injunction of study is admitted, there is an absence of purpose, since the injunctive sentence can be explained even as a constant reiteration. Therefore, the prima facie view and the conclusive view set forth earlier relying on the injunction of study are to be demonstrated in another manner: