Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 62
Sanskrit:
याज्ञवल्क्यश्च तच्छिष्य आहाहो भगवन् कियत् ।चरितेनाल्पसाराणां चरिष्येऽहं सुदुश्चरम् ॥ ६२ ॥
ITRANS:
yājñavalkyaś ca tac-chiṣyaāhāho bhagavan kiyatcaritenālpa-sārāṇāṁcariṣye ’haṁ su-duścaram
Translation:
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.