Valmiki Ramayana Kishkindha Kanda Sarga 27 Shloka 43

सर्वकार्यावसादकः which can destroy all work, एषःthis, शोकः sorrow, परित्यक्तः is given up, अहम् I, विक्रमेषु during heroic exploits, अप्रतिहतम् unaffected, तेजः vigour प्रोत्सहयामि I will resort to

'This sorrow which dampens one's daring spirit is given up. I shall now resort to such undaunted valour during my heroic exploits.