Bhagwad Gita
Chapter 14, Verse 1
श्री भगवानुवाचपरं भूयः प्रवक्ष्यामि ज्ञानानां ज्ञानमुत्तमम्।यज्ज्ञात्वा मुनयः सर्वे परां सिद्धिमितो गताः।।14.1।।
The Blessed Lord said: Again I shall declare to you this supreme wisdom, the best of all knowledge, knowing which all the sages have attained to supreme perfection.