Valmiki Ramayana Ayodhya Kanda Sarga 108 Shloka 12
Original Shlokaगत स्स नृपतिस्तत्र गन्तव्यं यत्र तेन वै। प्रवृततिरेषा मर्त्यानां त्वं तु मिथ्या विहन्यसे।।2.108.12।।
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सः that, नृपतिः king, तेन by him, यत्र wherever, गन्तव्यम् ought to go, तत्र there, गतः had gone, मर्त्यानाम् mortals', प्रवृत्ति: (destiny) nature, एषा such is, त्वं तु as for you, मिथ्या fruitlessly, विहन्यसे (undergoing difficulties).
That king (Dasaratha) has gone to the place where he ought to go. Such is the nature of mortals. You are fruitlessly undergoing difficulties.