Readings by Ajahn Karuṇadhammo: [Aggregates]
Sutta: SN 22.102, Khandhasaṁyutta, “Perception of Impermanence.”
Sutta: SN 22.95, Khandhasaṁyutta, “A Lump of Foam.”
Sutta: SN 22.33, Khandhasaṁyutta, “Not Yours (1).”
References – SN 22.102: Perception of Impermanence 
