Valmiki Ramayana Kishkindha Kanda Sarga 30 Shloka 17
Original Shlokaक्रियाभियोगं मनसः प्रसादं समाधियोगानुगतं च कालम्। सहायसामर्थ्यमदीनसत्त्वः स्वकर्म हेतुं च कुरुष्व हेतुम्4.30.17।।
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अदीनसत्त्व: an undaunted warrior, क्रियाभियोगम् make efforts to work, मनसः mind's, प्रसादम् serenity, समाधियोगानुगतम् followed by contemplative mood, कालं च taking advantage of time, सहायसामर्थ्यम् strength of effort, हेतुम् cause, स्वकर्म च by your own effort, हेतुम् cause of success, कुरुष्व achieve.
'You are an undaunted warrior. Take to the path of action. Resort to samadhiyoga or meditation and regain the serenity of mind. Make the strength of your effort the source of your success.