Bhagavad Gita 18.73
Arjuna replied: "My Lord! O Immutable One! My delusion has fled. By Your Grace, O Changeless One, the light has dawned. My doubts have been dispelled, and I stand before You ready to do Your will."
अर्जुन उवाचनष्टो मोहः स्मृतिर्लब्धा त्वत्प्रसादान्मयाच्युत।स्थितोऽस्मि गतसन्देहः करिष्ये वचनं तव॥arjuna uvācanaṣṭo mohaḥ smṛtirlabdhā tvatprasādānmayācyuta|sthito'smi gatasandehaḥ kariṣye vacanaṃ tava||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).