One verse

Bhagavad Gita 2.60

2.60

यततो ह्यपि कौन्तेय पुरुषस्य विपश्चितः | इन्द्रियाणि प्रमाथीनि हरन्ति प्रसभं मनः ||२-६०||

yatato hyapi kaunteya puruṣasya vipaścitaḥ . indriyāṇi pramāthīni haranti prasabhaṃ manaḥ ||2-60||

yatataḥ
while endeavoring
hi
certainly
api
in spite of
kaunteya
O son of Kuntī
puruṣasya
of a man
vipaścitaḥ
full of discriminating knowledge
indriyāṇi
the senses
pramāthīni
agitating
haranti
throw
prasabham
by force
manaḥ
the mind

The senses are so strong and impetuous, O Arjuna, that they forcibly carry away the mind even of a man of discrimination who is endeavoring to control them.