[80] Bhikkhus, there are these ten ways of removing resentment (āghātapaṭivinaya). What ten? Thinking, 'He has done me harm — but what could be gained here by that?' one removes resentment. Thinking, 'He is doing me harm — but what could be gained here by that?' one removes resentment. Thinking, 'He will do me harm — but what could be gained here by that?' one removes resentment. Thinking, 'He has done harm to one who is dear and agreeable to me …' 'He is doing harm …' 'He will do harm to one who is dear and agreeable to me — but what could be gained here by that?' one removes resentment. Thinking, 'He has done good to one who is not dear and not agreeable to me …' 'He is doing good …' 'He will do good to one who is not dear and not agreeable to me — but what could be gained here by that?' one removes resentment. And one does not become angry without ground. These, bhikkhus, are the ten ways of removing resentment.
The Ākaṅkha Chapter, the third.
Its summary (uddāna):
Ākaṅkha, Kaṇṭaka, Iṭṭha, Vaḍḍhi, and Migasālā,
Abhabba, and Kāka, the Nigaṇṭhas, and the ten grounds.
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The Thera Chapter, the fourth.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.