Valmiki Ramayana Kishkindha Kanda Sarga 62 Shloka 3
Original Shlokaपुराणे सुमहत्कार्यं भविष्यति मया श्रुतं। दृष्टं मे तपसा चैव श्रुत्वा च विदितं मम4.62.3।।
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पुराणे in the purana (history), सुमहत् very great, कार्यं task, भविष्यति will happen, मया by you, श्रुतं I heard, दृष्टं seen, मे with my, तपसा by the power of penance, चैव also, श्रुत्वाच I heard, मम me, विदितम् I came to know.
'I have foreseen with the power of my penance that a great task will be done by you. I have also heard about it in the Puranas and came to know of it.