瑜伽論記 23.304

23.304

解云：理亦通二，自於三業離過名自利，以三念住令他作即是利他。達師云：此中諸師大師所說句，故師句也。又云：外道大師所說，故云師句。然如前說者，為好也。

Explanation: In principle it also applies to both: oneself being free from faults in the three karmic activities is called self-benefit; causing others to act by means of the three applications of mindfulness is benefiting others. Master Da says: In this context, because they are phrases spoken by the Great Master among the various masters, they are called 'lines of the Master'. Another explanation says: Because they were spoken by the great masters of non-Buddhist traditions, they are called 'lines of the masters'. However, the former explanation is better.