The yoga of knowledge, and the turning of Arjuna's grief
Bhagavad Gita 2.50
Source: verified public-domain translation.
Original text
बुद्धियुक्तो जहातीह उभे सुकृतदुष्कृते । तस्माद्योगाय युज्यस्व योगः कर्मसु कौशलम् ॥
Transliteration
buddhi-yukto jahātīha ubhe sukṛta-duṣkṛte | tasmād yogāya yujyasva yogaḥ karmasu kauśalam ||
Translation
“Endowed with the wisdom of evenness of mind, one casts off in this life both good and evil deeds; therefore, devote yourself to Yoga; Yoga is skill in action.”
Translation · Swami Sivananda
Context
The famous line yogaḥ karmasu kauśalam. In context it follows the teaching of buddhi-yoga, not a modern slogan about hustle.