Bhagavad Gita 18.70
He who will study this spiritual discourse of ours, I assure you, they shall thereby worship Me at the altar of Wisdom.
अध्येष्यते च य इमं धर्म्यं संवादमावयोः।ज्ञानयज्ञेन तेनाहमिष्टः स्यामिति मे मतिः॥adhyeṣyate ca ya imaṃ dharmyaṃ saṃvādamāvayoḥ|jñānayajñena tenāhamiṣṭaḥ syāmiti me matiḥ||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).