Ramayana
तत्र यज्ञो महानासीद्बहुवर्षगणायुतः । समृद्धः परया लक्ष्म्या देवयज्ञसमो ऽभवत् ॥ 7-65-19 ॥
There the great sacrifice continued for many groups of years; abounding in supreme splendor, it became the equal of a sacrifice of the gods.
english translation