Abbreviations
| AN | Aṅguttara Nikāya |
| DN | Dīgha Nikāya |
| Dhp | Dhammapada |
| Iti | Itivuttaka |
| Khp | Khuddakapāṭha |
| MN | Majjhima Nikāya |
| SN | Saṁyutta Nikāya |
| Sn | Sutta Nipāta |
| Thag | Theragāthā |
| Thig | Therīgāthā |
| Ud | Udāna |
References to DN, Iti, and MN are to discourse (sutta). Those to Dhp are to verse. References to other texts are to section (saṁyutta, nipāta, or vagga) and discourse.
All translations from these texts are by the author, and are based on the Royal Thai Edition of the Pali Canon (Bangkok: Mahāmakut Rājavidyālaya, 1982).
| BAU | Bṛhad-āraṅyaka Upaniṣad |
| ChU | Chāndogya Upaniṣad |
| MaiU | Maitrī Upaniṣad |
| TU | Taittirīya Upaniṣad |
Citations and translations are based on the English and Sanskrit text in S. Radhakrishnan, The Principal Upaniṣads. London: George Allen & Unwin, 1969.
