Valmiki Ramayana Ayodhya Kanda Sarga 34 Shloka 42
Original Shlokaवनवासकृता बुद्धिर्न च मेऽद्य चलिष्यति। यस्तुष्टेन वरो दत्तः कैकेय्यै वरद त्वया।।2.34.42।। दीयतां निखिलेनैव सत्यस्त्वं भव पार्थिव।
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वनवासकृता in banishment, मे बुद्धि: my decision, अद्य now, न चलिष्यति will not change, वरद bestower of boons, पार्थिव O king, तुष्टेन by wellpleased, त्वया by you, कैकेय्यै to Kaikeyi, यः वरः those boons, दत्तः given, निखिलेनैव completely, दीयताम् may be given, त्वम् you, सत्यः भव you remain truthful.
My decision to go to the forest remains unchanged. O bestower of boons, O king honour to the last word the boons you had granted Kaikeyi. And adhere to truth.