One verse

Bhagavad Gita 18.33

18.33

धृत्या यया धारयते मनःप्राणेन्द्रियक्रियाः | योगेनाव्यभिचारिण्या धृतिः सा पार्थ सात्त्विकी ||१८-३३||

dhṛtyā yayā dhārayate manaḥprāṇendriyakriyāḥ . yogenāvyabhicāriṇyā dhṛtiḥ sā pārtha sāttvikī ||18-33||

dhṛtyā
determination
yayā
by which
dhārayate
one sustains
manaḥ
of the mind
prāṇa
life
indriya
and senses
kriyāḥ
the activities
yogena
by yoga practice
avyabhicāriṇyā
without any break
dhṛtiḥ
determination
sā
that
pārtha
O son of Pṛthā
sāttvikī
in the mode of goodness

O son of Pṛthā, that determination which is unbreakable, which is sustained with steadfastness by yoga practice, and which thus controls the activities of the mind, life and senses is determination in the mode of goodness.