Chapter 11 · The Vision of the Universal Form · Arjuna said
Bhagavad Gita 11.20 — The three worlds tremble
द्यावापृथिव्योरिदमन्तरं हि व्याप्तं त्वयैकेन दिशश्च सर्वाः। दृष्ट्वाद्भुतं रूपमुग्रं तवेदं लोकत्रयं प्रव्यथितं महात्मन् ॥
dyāvāpṛthivyoridamantaraṃ hi vyāptaṃ tvayaikena diśaśca sarvāḥ | dṛṣṭvādbhutaṃ rūpamugraṃ tavedaṃ lokatrayaṃ pravyathitaṃ mahātman ||
Meaning
The space between heaven and earth and all directions are filled by you alone. Seeing this wondrous and fearsome form of yours, O great one, the three worlds tremble.