Knowing the self is enlightenment. Mastering others requires force. Mastering the self requires strength."[2] Adi Shankaracharya, in his commentary on Bhagavad Gita says "Self-knowledge alone eradicates misery".[3] "Self-knowledge alone is the means to the highest bliss.".[4]"Absolute perfection is the consummation of Self-knowledge."[5]