Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Moksha-Sanyasa Yoga Chapter 18, Verse 18.64.
Sanskrit
सर्वगुह्यतमं भूयः शृणु मे परमं वचः । इष्टोऽसि मे दृढमिति ततो वक्ष्यामि ते हितम् ॥ १८.६४ ॥
Hindi
सम्पूर्ण गोपनीयों से अति गोपनीय मेरे परम रहस्ययुक्त्त वचन को तू फिर भी सुन । तू मेरा अतिशय प्रिय हैं, इससे यह परम हित कारक वचन मैं तुमसे कहूँगा ।
English
O Arjuna, because of My deep love and respect for you, your friendship and your devotion to Me. I will reveal to you once more, the most confidential portion of My Divine Knowledge. Hear these words once more O Arjuna, because they will lead you to salvation and Eternal Happiness.