Bhagavad Gita 18.77
तच्च संस्मृत्य संस्मृत्य रूपमत्यद्भुतं हरेः। विस्मयो मे महान्राजन्हृष्यामि च पुनः पुनः।।18.77।।
tacca saṃsmṛtya saṃsmṛtya rūpamatyadbhutaṃ hareḥ| vismayo me mahānrājanhṛṣyāmi ca punaḥ punaḥ||18.77||
tacca samsmritya samsmritya rupamatyadbhutam hareh vismayo me mahanrajanhrishyami ca punah punah18.77
Meaning
And remembering again and again that most wondrous cosmic form of Krishna, great is my astonishment, and I rejoice again and again.
हे राजन! श्री हरि के अति अद्भुत रूप को भी पुनः पुनः स्मरण करके मुझे महान् विस्मय होता है और मैं बारम्बार हर्षित हो रहा हूँ।
This is verse 77 of 78 in Chapter 18 (Moksha Sannyasa Yoga) of the Bhagavad Gita.