Bhagavad Gita 18.63 Chapter 18, Verse 63

इति ते ज्ञानमाख्यातं गुह्याद्गुह्यतरं मया ।
विमृश्यैतदशेषेण यथेच्छसि तथा कुरु ॥१८.६३॥

iti te jñānamākhyātaṃ guhyādguhyataraṃ mayā
vimṛśyaitadaśeṣeṇa yathecchasi tathā kuru

Meaning

Thus I have given you knowledge more secret than all secrets. Reflect on it fully, and then do as you wish.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 18.63 (Chapter 18, Liberation through Renunciation (Moksha Sannyasa Yoga), Verse 63)