References – SN 35.234: Udayi 
[Session] Readings by Ajahn Pasanno:
Sutta: SN 35.235, Saḷāyatanasaṃyutta, “The Exposition on Burning.”
Sutta: SN 35.238, Saḷāyatanasaṃyutta, “The Simile of the Vipers.”
Sutta: SN 35.241, Saḷāyatanasaṃyutta, “The Simile of the Great Log (1).”
Sutta: SN 35.231, Saḷāyatanasaṃyutta, “The Milk-Sap Tree.”
Sutta: SN 35.234, Saḷāyatanasaṃyutta, “Udāyī.”