ज्ञः पश्यति सदैवात्मा स्पन्दने प्राणशक्तयः ।इन्द्रियाणि स्वधर्मेषु मनो राम किमुच्यते
In plain words
The knower, ātman, is ever the one who sees; the powers of prāṇa are at their pulsation; the senses are at their own functions. Rāma, what is it that is called 'mind'?