Chapter 2 · The Yoga of Knowledge · Krishna said
Bhagavad Gita 2.39 — Now hear about yoga
एषा तेऽभिहिता साङ्ख्ये बुद्धिर्योगे त्विमां शृणु। बुद्ध्या युक्तो यया पार्थ कर्मबन्धं प्रहास्यसि ॥
eṣā te'bhihitā sāṅkhye buddhiryoge tvimāṃ śṛṇu | buddhyā yukto yayā pārtha karmabandhaṃ prahāsyasi ||
Meaning
This is the wisdom of Sankhya (knowledge) that I have told you. Now hear the wisdom of yoga; with it you will be freed from the bondage of action.