18:30  

प्रवृत्तिं च निवृत्तिं च कार्याकार्ये भयाभये ।
बन्धं मोक्षं च या वेत्ति बुद्धिः सा पार्थ सात्त्विकी ॥१८- ३०॥

Transliteration

prawRRittiM cha niwRRittiM cha kaaryaakaarye bhayaabhaye ।

bandhaM mokShaM cha yaa wetti buddhiH saa paartha saattwikii ॥१८- ३०॥

Translation

The intellect that understands Impulse and discipline, action and inaction, fear and courage,
Bondage and liberation, O Partha, is sattvic.

Translation

O Arjuna, the Buddhi by which one understands the path of work and the path of renunciation, right and wrong action, fear and fearlessness, bondage and liberation, that Buddhi is Saattvika.

Translation

O son of Prtha, that understanding by which one knows what ought to be done and what ought not to be done, what is to be feared and what is not to be feared, what is binding and what is liberating, that understanding is established in the mode of goodness.