yājñavalkyaḥ - Yājñavalkya; ca - and; tat-śiṣyaḥ - the disciple of Vaiśampāyana; āha - said; aho - just see; bhagavan - O master; kiyat - how much value; caritena - with the endeavor; alpa-sārāṇām - of these weak fellows; cariṣye - shall execute; aham - I; su-duścaram - that which is very difficult to perform.

Once Yājñavalkya, one of the disciples of Vaiśampāyana, said: O master, how much benefit will be derived from the feeble endeavors of these weak disciples of yours? I will personally perform some outstanding penance.