Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 42
Sanskrit:
कृष्णस्यानन्तवीर्यस्य योगमायामहोदयम् ।मुहुर्दृष्ट्वा ऋषिरभूद् विस्मितो जातकौतुक: ॥ ४२ ॥
ITRANS:
kṛṣṇasyānanta-vīryasyayoga-māyā-mahodayammuhur dṛṣṭvā ṛṣir abhūdvismito jāta-kautukaḥ
Translation:
Having repeatedly seen the vast mystic display of Lord Kṛṣṇa, whose power is unlimited, the sage was amazed and filled with wonder.