Valmiki Ramayana Aranya Kanda Sarga 30 Shloka 4

अहम् I, विनष्टानाम् of the dead, राक्षसानाम् of the demons, अश्रुप्रमार्जनम् wiping tears, करोमीति I will do, त्वया by you, यत् whatever, उक्तम् uttered, ते by you, तत् that, वचः अपि word too, मिथ्या false.

You said you will wipe the tears of the dead demons. (Now) those words have proved false.