Mūlamadhyamaka-kārikā of Nāgārjuna
mūlamadhyamakakārikā, section 14:2
Mūlamadhyamakavṛtti-akutobhayā of Nāgārjuna, section 14:2
Piṅgala's Commentary on Nāgārjuna's Mūla-madhyamaka-kārikā, section T30, no. 1564, 19a23
Buddhapālita-mūlamadhyamakavṛtti of Buddhapālita, section 14:2
Sthiramati's Commentary on Nāgārjuna's Mūla-madhyamaka-kārikā, section K41, no. 1482, 136a1
Prasannapadā of Candrakīrtī, section 251:1