Appamaññāvibhaṅgasuttantabhājanīya

Abhidhammapiṭaka · Vibhaṅga · Vol. 35 · Section 748

[748] And how does a bhikkhu dwell pervading one direction with a mind accompanied by equanimity (upekkhā)? Just as, on seeing one person (puggala) who is neither agreeable nor disagreeable, one would be equanimous, even so he pervades all beings with equanimity.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.