রাম রামেতি রামেতি রমে রামে মনোরমে ।
সহস্রনামভিস্তুল্যং রামনাম বরাননে ॥ ৩২ ॥
rama-Rama; rama-Rama; iti-thus; rama-Rama; iti-thus; rame-I enjoy; rame-in the holy name of Rama; manah-rame-most beautiful; sahasra-namabhih-with the one thousand names; tulyam-equal; rama-nama-the holy name of Rama; vara-anane-O lovely-faced woman.
"Lord Siva addressed his wife Durga as Varanana and explained, 'I chant the holy name of Rama, Rama, Rama and thus enjoy this beautiful sound. This holy name of Ramacandra is equal to one thousand holy names of Lord Visnu.'
This is a verse from the Brhad-visnu-sahasranama-stotra (72.335) in the Uttara-khanda of the Padma Purana.