Māgandiyasuttaniddesa

Suttapiṭaka · Khuddakanikāya · Mahāniddesa · Vol. 29 · Section 351

[351] One who conceives "I am equal, superior, or else inferior"— he would dispute on that account; but for one unshaken amid the three modes of conceit (vidhā), the thought "I am equal or superior" does not exist.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.