Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Moksha-Sanyasa Yoga Chapter 18, Verse 18.72.
Sanskrit
कच्चिदेतच्छ्रुतं पार्थ त्वयैकाग्रेण चेतसा । कच्चिदज्ञानसंमोहः प्रनष्टस्ते धनंजय ॥ १८.७२ ॥
Hindi
हे पार्थ ! क्या इस ( गीता शास्त्र ) को तूने एकाग्रचित से श्रवण किया ? और हे धनंजय ! क्या तेरा अज्ञान जनित मोह नष्ट हो गया ।
English
Have you heard these words of wisdom My Dear Devotee, with your mind at perfect concentration and with silence in your soul? Have you truly rid yourself of the darkness of your delusion? Has it been replaced by the inner light of wisdom, O Arjuna.