Valmiki Ramayana Kishkindha Kanda Sarga 43 Shloka 5
Original Shlokaअस्मिन्कार्येविनिर्वृत्ते कृते दाशरथेः प्रिये। ऋणान्मुक्ता भविष्यामः कृतार्थार्थविदां वराः।।4.43.5।।
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कृतार्थविदां वराः successful in our endeavour, अस्मिन् in this, कार्ये in this work, विनिवृत्ते returned, दाशरथेः Dasarathi's, प्रिये कृते when the task dear to him is done, ऋणान् from the debt, मुक्ताः redeemed, कृतार्थाः sucessful, भविष्यामः we will be.
'We should be succeessful in our endeavour when we have completed the task dear to Rama. We will be redeemed of our debt to him.