Ramayana
विभीषणस्तु रामस्य पार्श्वस्थो वाक्यमब्रवीत् । आश्चर्यं स्मारितो ऽस्म्यद्य यत्तद्दृष्टं पुरातनम् ॥ 7-30-53 ॥
Then Vibhishana, standing at Rama's side, spoke these words: "I have been reminded today of a marvel, that ancient thing which was once witnessed."
english translation