Bhagavad Gita, Chapter 6, Verse 33

अर्जुन उवाच । योऽयं योगस्त्वया प्रोक्तः साम्येन मधुसूदन । एतस्याहं न पश्यामि चञ्चलत्वात्स्थितिं स्थिराम्

arjuna uvāca | yo'yaṃ yogastvayā proktaḥ sāmyena madhusūdana | etasyāhaṃ na paśyāmi cañcalatvātsthitiṃ sthirām

Translation

This Yoga in equanimity, taught by Thee, O Destroyer of Madhu — I see not its steady continuance, because of the restlessness (of the mind).

— Alladi Mahadeva Sastri

Word meanings

yaḥ
which
ayam
this
yogaḥ
yoga
tvayā
by thee
proktaḥ
declared
sāmyena
by equality
madhusūdana
O slayer of Madhu
etasya
of this
aham
I
na
not
paśyāmi
see
cañcalatvāt
from restlessness
sthitim
stability
sthirām
firm

Śaṅkarācārya's commentary

Arjuna voices the practical difficulty of maintaining mental equanimity given how restless the mind is.