Bhagavad Gita 14.1

श्रीभगवानुवाच The Blessed Lord said

परं भूयः प्रवक्ष्यामि ज्ञानानां ज्ञानमुत्तमम्।यज्ज्ञात्वा मुनयः सर्वे परां सिद्धिमितो गताः ॥१४.१॥

paraṃ bhūyaḥ pravakṣyāmi jñānānāṃ jñānamuttamamyajjñātvā munayaḥ sarve parāṃ siddhimito gatāḥ

The Blessed Lord said, "I will again declare to thee that supreme knowledge, the best of all knowledge, having known which all the sages have gone to supreme perfection after this life."

गीता