निराशीर्यतचित्तात्मा त्यक्तसर्वपरिग्रहः। शारीरं केवलं कर्म कुर्वन्नाप्नोति किल्बिषम्।।4.21।।
nirāśhīr yata-chittātmā tyakta-sarva-parigrahaḥ śhārīraṁ kevalaṁ karma kurvan nāpnoti kilbiṣham
Without hope, controlling the mind and the self, having abandoned all covetousness, and performing only bodily actions, one incurs no sin.