Ramayana
एतावद्वानरैश्शक्यं गन्तुं वानरपुङ्गवाः । अभास्करममर्यादं न जानीमस्ततः परम् ॥ ४-४०-६७
'O chieftains monkeys can go that far. We know not what lies beyond those boundaries where no Sun shines. ॥ 4-40-67॥
english translation
etAvadvAnaraizzakyaM gantuM vAnarapuGgavAH । abhAskaramamaryAdaM na jAnImastataH param ॥ 4-40-67
hk transliteration by Sanscript