Ramayana
राजधानी यमस्यैषा कष्टेन तमसा वृता । एतावदेव युष्माभिर्वीरा वानरपुङ्गवाः । शक्यं विचेतुं गन्तुं वा नातो गतिमतां गतिः ॥ ४-४१-४६
'O heroic monkeys that is the capital of Yama (god of death) covered with pitch darkness. You can go till that place. Beyond, there is no access for the earthlings. ॥ 4-41-46॥
english translation
rAjadhAnI yamasyaiSA kaSTena tamasA vRtA । etAvadeva yuSmAbhirvIrA vAnarapuGgavAH । zakyaM vicetuM gantuM vA nAto gatimatAM gatiH ॥ 4-41-46
hk transliteration by Sanscript