Chapter 14 · The Three Qualities · Krishna said
Bhagavad Gita 14.1 — The highest knowledge
श्रीभगवानुवाच। परं भूयः प्रवक्ष्यामि ज्ञानानां ज्ञानमुत्तमम्। यज्ज्ञात्वा मुनयः सर्वे परां सिद्धिमितो गताः ॥
śrībhagavānuvāca | paraṃ bhūyaḥ pravakṣyāmi jñānānāṃ jñānamuttamam | yajjñātvā munayaḥ sarve parāṃ siddhimito gatāḥ ||
Meaning
Krishna says: I will tell you once more the highest knowledge, the best of all knowledge. By knowing it, all the sages reached supreme perfection after leaving this world.