瑜伽論記 23.285

23.285

第十二解苦門，言於五種受，發起五轉如實妙智者，即於五受起五種智，故名五轉也。上來處擇後總頌中有其四門前三已訖。

Twelfth, explaining the approach to suffering. The phrase "arousing five transformations of the wondrous knowledge of reality with respect to the five kinds of feeling" means that with respect to the five feelings one generates five kinds of knowledge, hence they are called the 'five transformations'. Above, among the four approaches in the general summary verse that followed the determination of the bases, the first three have already been concluded.