SB 12.6.62
yajñavalkyas ca tac-chisya
ahaho bhagavan kiyat
caritenalpa-saranam
carisye ’ham su-duscaram
Translation:
Once Yajñavalkya, one of the disciples of Vaisampayana, 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.