Narasimhapurana 64.13

64.13

udakendhanapuṣpārthair asakṛt tarpayan gurūn
mātāpitṛbhyāṃ śuśrūṣur bhikṣāhārī janapriyaḥ //

repeatedly pleasing his teachers with water, firewood, and flowers, / desiring to serve his mother and father, eating begged food, dear to the people;