Sakkā pana bhante upamaṃ kātunti? `sakkā bhikkhū'ti bhagavā avoca,

Seyyathāpi bhikkhu yojanaṃ āyāmena yojanaṃ vitthārena yojanaṃ ubbedhena

mahāsāsaparāsi, tato vassasatassa vassasahassassa accayena ekamekaṃ sāsapaṃ

uddhareyya, khippataraṃ kho so bhikkhu mahāsāsaparāsi iminā upakkamena