References – SN 35.135: The Opportunity 
[Session] Readings by Ajahn Pasanno:
Sutta: SN 35.127, Saḷāyatanasaṃyutta, “Bhāradvāja.”
Sutta: SN 35.135, Saḷāyatanasaṃyutta, “The Opportunity.”
Sutta: SN 35.153, Saḷāyatanasaṃyutta, “Is There a Method?.”
Sutta: SN 35.155, Saḷāyatanasaṃyutta, “A Speaker on the Dhamma.”