Bhagavatapurana 11.29.5.p3

11.29.5.p3

naivopayanty apacitiṃ kavayas taveśa $ brahmāyuṣāpi kṛtam ṛddha-mudaḥ smarantaḥ &

Even with a lifespan as long as Brahmā's, the wise cannot repay their debt to You, O Lord,
as they recall with overflowing joy what You have done,