Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 29
Sanskrit:
श्रीबलिरुवाचस्वागतं ते नमस्तुभ्यं ब्रह्मन्किं करवाम ते ।ब्रह्मर्षीणां तप: साक्षान्मन्ये त्वार्य वपुर्धरम् ॥ २९ ॥
ITRANS:
śrī-balir uvācasvāgataṁ te namas tubhyaṁbrahman kiṁ karavāma tebrahmarṣīṇāṁ tapaḥ sākṣānmanye tvārya vapur-dharam
Translation:
Bali Mahārāja then said to Lord Vāmanadeva: O brāhmaṇa, I offer You my hearty welcome and my respectful obeisances. Please let us know what we may do for You. We think of You as the personified austerity of the great brāhmaṇa-sages.