Bhagavad Gita, Chapter 18, Verse 33

धृत्या यया धारयते मनःप्राणेन्द्रियक्रियाः । योगेनाव्यभिचारिण्या धृतिः सा पार्थ सात्त्विकी

dhṛtyā yayā dhārayate manaḥprāṇendriyakriyāḥ | yogenāvyabhicāriṇyā dhṛtiḥ sā pārtha sāttvikī

Translation

The firmness which is ever accompanied by Yoga, and by which the activities of thought, of life-breaths and sense-organs, O Pārtha, are held fast, such a firmness is Sāttvic.

— Alladi Mahadeva Sastri

Word meanings

dhṛtyā

by firmness

yayā

(by) which

dhārayate

holds

manaḥprāṇendriyakriyāḥ

of the mind, and, of the life-breaths, and, of the sense-organs, and, actions

yogena

by yoga

avyabhicāriṇyā

(by) unwavering

dhṛtiḥ

firmness

sā

that

pārtha

O Pārtha

sāttvikī

sāttvic

Śaṅkarācārya's commentary

Yoga: samādhi or concentration of mind. Held fast: restrained from rushing into ways which are opposed to the śāstra. It is only when they are restrained by firmness of the intellect that they do not rush into ways which are opposed to the śāstra.