Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 4
Sanskrit:
बदर्याश्रममासाद्य नरनारायणालयम् ।सर्वद्वन्द्वसह: शान्तस्तपसाराधयद्धरिम् ॥ ४ ॥
ITRANS:
badary-āśramam āsādyanara-nārāyaṇālayamsarva-dvandva-sahaḥ śāntastapasārādhayad dharim
Translation:
There he arrived at Badarikāśrama, the abode of Lord Nara-Nārāyaṇa, where, remaining tolerant of all dualities, he peacefully worshiped the Supreme Lord Hari by performing severe austerities.