Mūlamadhyamaka-kārikā of Nāgārjuna
mūlamadhyamakakārikā, section 25:2
Mūlamadhyamakavṛtti-akutobhayā of Nāgārjuna, section 25:2
Piṅgala's Commentary on Nāgārjuna's Mūla-madhyamaka-kārikā, section T30, no. 1564, 34c20
Buddhapālita-mūlamadhyamakavṛtti of Buddhapālita, section 25:2
Sthiramati's Commentary on Nāgārjuna's Mūla-madhyamaka-kārikā, section K41, no. 1482, 166b1
Prasannapadā of Candrakīrtī, section 521:1