Ramayana
ये च तत्र महात्मानो मुनयश्चिरजीविनः । नास्मरंस्तादृशं यज्ञं नाप्यासीत् स कदाचन ॥ 7-92-14 ॥
And those high-souled, long-lived sages who were present there could recall no such sacrifice, nor had there ever been one like it at any time.
english translation