Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 10

Sanskrit:

सुरासुरेन्द्रैर्भुजवीर्यवेपितंपरिभ्रमन्तं गिरिमङ्ग पृष्ठत: ।बिभ्रत् तदावर्तनमादिकच्छपोमेनेऽङ्गकण्डूयनमप्रमेय: ॥ १० ॥

ITRANS:

surāsurendrair bhuja-vīrya-vepitaṁparibhramantaṁ girim aṅga pṛṣṭhataḥbibhrat tad-āvartanam ādi-kacchapomene ’ṅga-kaṇḍūyanam aprameyaḥ

Translation:

O King, when the demigods and demons, by the strength of their arms, rotated Mandara Mountain on the back of the extraordinary tortoise, the tortoise accepted the rolling of the mountain as a means of scratching His body, and thus He felt a pleasing sensation.

Purport:

The Supreme Personality of Godhead is always the unlimited. Although the Supreme Personality of Godhead, in His body as a tortoise, held on His back the largest of mountains, Mandara-parvata, He did not feel any inconvenience. On the contrary, He apparently felt some itching, and thus the rotation of the mountain was certainly very pleasing.