अर्जुन उवाच योऽयं योगस्त्वया प्रोक्तः साम्येन मधुसूदन। एतस्याहं न पश्यामि चञ्चलत्वात् स्थितिं स्थिराम्
arjuna uvācha yo ’yaṁ yogas tvayā proktaḥ sāmyena madhusūdana etasyāhaṁ na paśhyāmi chañchalatvāt sthitiṁ sthirām
Arjuna said: I do not see how I can attain this state of equanimity which You have revealed, owing to the restlessness of my mind.
Translated by Shri Purohit Swami
Arjuna said, "O Krishna, I do not see how this Yoga of equanimity, which you have taught me, can be maintained steadily, due to the restlessness of the mind."
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
arjunaḥ uvācha—Arjun said; yaḥ—which; ayam—this; yogaḥ—system of Yog; tvayā—by you; proktaḥ—described; sāmyena—by equanimity; madhu-sūdana—Shree Krishna, the killer of the demon named Madhu; etasya—of this; aham—I; na—do not; paśhyāmi—see; chañchalatvāt—due to restlessness; sthitim—situation; sthirām—steady