Bhagavad Gita · 18.73

अर्जुन उवाच।नष्टो मोहः स्मृतिर्लब्धा त्वत्प्रसादान्मयाच्युत।स्थितोऽस्मि गतसन्देहः करिष्ये वचनं तव॥

arjuna uvācha naṣhṭo mohaḥ smṛitir labdhā tvat-prasādān mayāchyuta sthito 'smi gata-sandehaḥ kariṣhye vachanaṁ tava

Arjuna said: My delusion is destroyed, and I have gained memory through Your grace, O Achyuta. I stand firm with my doubts dispelled. I shall act according to Your word.

— Bhagavad Gita 18.73

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)