Ramayana
एतावद्वानरैश्शक्यं गन्तुं वानरपुङ्गवाः । अभास्करममर्यादं न जानीमस्ततः परम् ॥ ४-४२-५१
'O great monkeys you can go only up to that point. The Sun's rays do not extend beyond this and it has no boundaries. We do not know about the area beyond this limit. ॥ 4-42-51॥
english translation
etAvadvAnaraizzakyaM gantuM vAnarapuGgavAH । abhAskaramamaryAdaM na jAnImastataH param ॥ 4-42-51
hk transliteration by Sanscript