The Great Epic of the Bhārata dynasty 13.94.29

13.94.29

gautama uvāca |
na talloke dravyamasti yallokaṃ pratipūrayet |
samudrakalpaḥ puruṣo na kadācana pūryate || 29 ||

"Gautama said, 'All the objects that exist in the world are incapable of gratifying even a single person. Man is even like the ocean, for he can never be filled (even as the ocean can never be filled by all the waters that are discharged into it by the rivers).'"