Bhagavad Gita 18.63

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

iti te jñānamākhyātaṃ guhyādguhyataraṃ mayāvimṛśyaitadaśeṣeṇa yathecchasi tathā kuru

Thus, wisdom more secret than secrecy itself has been declared to you by me. Reflect on it fully, then act as you wish.

गीता