Sanskrit: चित्तादिसर्वभावेषु ब्रह्मत्वेनैव भावनात्।  निरोधः सर्ववृत्तीनां प्राणायामः स उच्यते।   
English:  The restraint of all modifications of the mind by regarding all mental states like the Chitta as Brahman alone, is called Pranayama.