sparsan krtva bahir bahyams
caksus caivantare bhruvoh
pranapanau samau krtva
yah sada mukta eva sah
Meaning: Shutting out all external sense objects, keeping the eyes and vision concentrated between the two eyebrows, suspending the inward and outward breaths within the nostrils, and thus controlling the mind, senses and intelligence, the transcendentalist aiming at liberation becomes free from desire, fear and anger. one who is always in this state is certainly liberated.
Bhagavad Gita: Free from desire, fear and anger (Karma-yoga-Action in Krsna (divine) Consciousness (Text 26, 28 Ch 5)